Finding the Third Proportional to 42,399,532 and 91,513,640

Step by Step Solution

1. Step 1: Write the proportion equation
   42,399,532 : 91,513,640 = 91,513,640 : x
2. Step 2: Convert to fraction form
   42,399,532/91,513,640 = 91,513,640/x
3. Step 3: Cross multiply
   42,399,532x = 91,513,640 × 91,513,640
4. Step 4: Simplify right side
   42,399,532x = 8,374,746,306,049,600
5. Step 5: Solve for x
   x = 8,374,746,306,049,600/42,399,532
6. Step 6: Final answer
   x = 197,519,781.73