Finding the Third Proportional to 28,747.50 and 62,838.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28,747.50 : 62,838.50 = 62,838.50 : x
2. Step 2: Convert to fraction form
   28,747.50/62,838.50 = 62,838.50/x
3. Step 3: Cross multiply
   28,747.50x = 62,838.50 × 62,838.50
4. Step 4: Simplify right side
   28,747.50x = 3,948,677,082.25
5. Step 5: Solve for x
   x = 3,948,677,082.25/28,747.50
6. Step 6: Final answer
   x = 137,357.23