My figures aren't crazy... Here is a screen shot I did the other day for another post. It's not a half million, but it's real and would have paid out similar to my math. - Not your math at $1.25M. But my math of $250,000 or less like I said.
Date | Raw | Unique | Free | Paid
7.3% unique to free (approx 1:13)
ps. i have a bunch of affiliates at 1:100 - 1:200 Unique to Paid... I also have Tube Sites at 1:3000