Finding the Third Proportional to 103,882.50 and 155,140.31

Step by Step Solution

1. Step 1: Write the proportion equation
   103,882.50 : 155,140.31 = 155,140.31 : x
2. Step 2: Convert to fraction form
   103,882.50/155,140.31 = 155,140.31/x
3. Step 3: Cross multiply
   103,882.50x = 155,140.31 × 155,140.31
4. Step 4: Simplify right side
   103,882.50x = 24,068,516,562.60
5. Step 5: Solve for x
   x = 24,068,516,562.60/103,882.50
6. Step 6: Final answer
   x = 231,689.81