Alright, let's work through 85299124 times 74662603 step by step
85299124 × 74662603 = 74662603 × (85299124)
+ 74662603 × 4 that equals 298650412
+ 74662603 × 20 that equals 1493252060
+ 74662603 × 100 that equals 7466260300
+ 74662603 × 9000 resulting in 671963427000
+ 74662603 × 90000 which equals 6719634270000
+ 74662603 × 200000 that equals 14932520600000
+ 74662603 × 5000000 that equals 373313015000000
+ 74662603 × 80000000 which equals 5973008240000000

= 6368654631459772
