Finding the Third Proportional to 81,909,757.50 and 175,976,238

Step by Step Solution

1. Step 1: Write the proportion equation
   81,909,757.50 : 175,976,238 = 175,976,238 : x
2. Step 2: Convert to fraction form
   81,909,757.50/175,976,238 = 175,976,238/x
3. Step 3: Cross multiply
   81,909,757.50x = 175,976,238 × 175,976,238
4. Step 4: Simplify right side
   81,909,757.50x = 30,967,636,340,632,644
5. Step 5: Solve for x
   x = 30,967,636,340,632,644/81,909,757.50
6. Step 6: Final answer
   x = 378,070,174.86