Finding the Third Proportional to 28,632 and 62,686

Step by Step Solution

1. Step 1: Write the proportion equation
   28,632 : 62,686 = 62,686 : x
2. Step 2: Convert to fraction form
   28,632/62,686 = 62,686/x
3. Step 3: Cross multiply
   28,632x = 62,686 × 62,686
4. Step 4: Simplify right side
   28,632x = 3,929,534,596
5. Step 5: Solve for x
   x = 3,929,534,596/28,632
6. Step 6: Final answer
   x = 137,242.76