Finding the Third Proportional to 62,358.25 and 136,789.50

Step by Step Solution

1. Step 1: Write the proportion equation
   62,358.25 : 136,789.50 = 136,789.50 : x
2. Step 2: Convert to fraction form
   62,358.25/136,789.50 = 136,789.50/x
3. Step 3: Cross multiply
   62,358.25x = 136,789.50 × 136,789.50
4. Step 4: Simplify right side
   62,358.25x = 18,711,367,310.25
5. Step 5: Solve for x
   x = 18,711,367,310.25/62,358.25
6. Step 6: Final answer
   x = 300,062.42