Alright, let's work through 50139717 times 99649526 step by step
50139717 × 99649526 = 99649526 × (50139717)
+ 99649526 × 7 that results in 697546682
+ 99649526 × 10 which equals 996495260
+ 99649526 × 700 resulting in 69754668200
+ 99649526 × 9000 that results in 896845734000
+ 99649526 × 30000 yielding 2989485780000
+ 99649526 × 100000 resulting in 9964952600000
+ 99649526 × 0000000 producing 0
+ 99649526 × 50000000 resulting in 4982476300000000

= 4996399032824142
