Alright, let's work through 99725509 times 74493626 step by step
99725509 × 74493626 = 74493626 × (99725509)
+ 74493626 × 9 what gives us 670442634
+ 74493626 × 00 producing 0
+ 74493626 × 500 that results in 37246813000
+ 74493626 × 5000 which equals 372468130000
+ 74493626 × 20000 yielding 1489872520000
+ 74493626 × 700000 that results in 52145538200000
+ 74493626 × 9000000 that is equal 670442634000000
+ 74493626 × 90000000 giving us 6704426340000000

= 7428914770105634
