Finding the Third Proportional to 28,315.50 and 62,665.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28,315.50 : 62,665.50 = 62,665.50 : x
2. Step 2: Convert to fraction form
   28,315.50/62,665.50 = 62,665.50/x
3. Step 3: Cross multiply
   28,315.50x = 62,665.50 × 62,665.50
4. Step 4: Simplify right side
   28,315.50x = 3,926,964,890.25
5. Step 5: Solve for x
   x = 3,926,964,890.25/28,315.50
6. Step 6: Final answer
   x = 138,686.05