Finding the Third Proportional to 42,399,530 and 91,513,636

Step by Step Solution

1. Step 1: Write the proportion equation
   42,399,530 : 91,513,636 = 91,513,636 : x
2. Step 2: Convert to fraction form
   42,399,530/91,513,636 = 91,513,636/x
3. Step 3: Cross multiply
   42,399,530x = 91,513,636 × 91,513,636
4. Step 4: Simplify right side
   42,399,530x = 8,374,745,573,940,496
5. Step 5: Solve for x
   x = 8,374,745,573,940,496/42,399,530
6. Step 6: Final answer
   x = 197,519,773.78