Finding the Third Proportional to 88,789,491,066 and 207,182,638,627.50

Step by Step Solution

1. Step 1: Write the proportion equation
   88,789,491,066 : 207,182,638,627.50 = 207,182,638,627.50 : x
2. Step 2: Convert to fraction form
   88,789,491,066/207,182,638,627.50 = 207,182,638,627.50/x
3. Step 3: Cross multiply
   88,789,491,066x = 207,182,638,627.50 × 207,182,638,627.50
4. Step 4: Simplify right side
   88,789,491,066x = 42,924,645,748,653,252,673,536
5. Step 5: Solve for x
   x = 42,924,645,748,653,252,673,536/88,789,491,066
6. Step 6: Final answer
   x = 483,442,862,812.97