Alright, let's work through 58490724 times 72378433 step by step
58490724 × 72378433 = 72378433 × (58490724)
+ 72378433 × 4 that results in 289513732
+ 72378433 × 20 that equals 1447568660
+ 72378433 × 700 that equals 50664903100
+ 72378433 × 0000 yielding 0
+ 72378433 × 90000 that results in 6514058970000
+ 72378433 × 400000 producing 28951373200000
+ 72378433 × 8000000 that results in 579027464000000
+ 72378433 × 50000000 that equals 3618921650000000

= 4233466948155492
