Finding the Third Proportional to 19,510,983 and 42,018,696

Step by Step Solution

1. Step 1: Write the proportion equation
   19,510,983 : 42,018,696 = 42,018,696 : x
2. Step 2: Convert to fraction form
   19,510,983/42,018,696 = 42,018,696/x
3. Step 3: Cross multiply
   19,510,983x = 42,018,696 × 42,018,696
4. Step 4: Simplify right side
   19,510,983x = 1,765,570,813,540,416
5. Step 5: Solve for x
   x = 1,765,570,813,540,416/19,510,983
6. Step 6: Final answer
   x = 90,491,125.62