Alright, let's work through 90527498 times 5254529 step by step
90527498 × 5254529 = 5254529 × (90527498)
+ 5254529 × 8 that results in 42036232
+ 5254529 × 90 which equals 472907610
+ 5254529 × 400 what gives us 2101811600
+ 5254529 × 7000 yielding 36781703000
+ 5254529 × 20000 yielding 105090580000
+ 5254529 × 500000 giving us 2627264500000
+ 5254529 × 0000000 that is equal 0
+ 5254529 × 90000000 which equals 472907610000000

= 475679363538442
