Finding the Third Proportional to 88,156,998 and 138,996,630

Step by Step Solution

1. Step 1: Write the proportion equation
   88,156,998 : 138,996,630 = 138,996,630 : x
2. Step 2: Convert to fraction form
   88,156,998/138,996,630 = 138,996,630/x
3. Step 3: Cross multiply
   88,156,998x = 138,996,630 × 138,996,630
4. Step 4: Simplify right side
   88,156,998x = 19,320,063,151,356,900
5. Step 5: Solve for x
   x = 19,320,063,151,356,900/88,156,998
6. Step 6: Final answer
   x = 219,155,184.38