Finding the Third Proportional to 88,682.50 and 140,401.50

Step by Step Solution

1. Step 1: Write the proportion equation
   88,682.50 : 140,401.50 = 140,401.50 : x
2. Step 2: Convert to fraction form
   88,682.50/140,401.50 = 140,401.50/x
3. Step 3: Cross multiply
   88,682.50x = 140,401.50 × 140,401.50
4. Step 4: Simplify right side
   88,682.50x = 19,712,581,202.25
5. Step 5: Solve for x
   x = 19,712,581,202.25/88,682.50
6. Step 6: Final answer
   x = 222,282.65