|Hmm ok. So in the current setup there is no internet for the internal clients...I see.|
Sorry but, we're not going to hand you the answer. Most, if not all, of the regulars that hang out in here and help have already done their schooling and like me have no interest in doing someone elses. Also, you learn more if you figure it out.
I gave you the answer. Now you need to do the necessary work to make it work.
Now wanderer has given you more detail than I did
Internet is accessed by the business lan via the dual routers port to port
DMZ is access via the internet
DMZ is accessed via a second port to the dmz via router2 and gives the business lan protected access to the dmz servers
So you should have more than enough info to figure it out.