I had the same problem as you, I'm 36 36 and 6ft tall. Most of the shops at the mall don't carry jeans long enough for me either. I did find some 36 36 jeans at American Eagle outfitters as well as the Gap. Try Levis 529 brand if you are into trendy jeans, they tend to carry my size more than other stores and they are pretty good jeans.
Casey, most of the stores I go to seem to also stock pants no longer than 32 inches. You can get a waist size 48 but it'll still be 32 long. I'm 6 foot btw. Recently when I was in Macy's shopping I found some pants I wanted and I tried on the same styles from different makers. What I found was the 32 long isn't the same for every pair of pants so unless you're way beyond that size you might want to try on different 32's because the sizes do vary.
Here is your site all you will need. The only place I buy clothes. Im 6'4 280.. Also keep a eye out on the clearence page. http://www.kingsizedirect.com/kingsi...020200353750PM Also have them send a catalog. Up to 10XL Big and Tall David Tenn
I do notice some problems with finding 36 inseams. Jeans are easy, but many casual "Dockers" type pants only go up to 34 inseams which forces you to go to one more store, or one more website, an annoyance not a big deal. Nothing bothers me more than having a 12-1/2 shoe size. Check any catalog for shoes/sneakers and you will see "1/2 sizes up to 12, whole sizes to 15."
Some high end shoes will have 12-1/2s but most every day shoe/sneaker manufacturers don't. I wear 13s with either two pairs of socks or two sets of insoles.
I also have a tough time with ties. Most ties are just a little short for me and the back barely tucks into the label and will always swing out. My wife bought me a tie from a big and tall shop that after tying it, I could tuck the back into the cuff of my pants!