Finding the Third Proportional to 28,606.50 and 62,910

Step by Step Solution

1. Step 1: Write the proportion equation
   28,606.50 : 62,910 = 62,910 : x
2. Step 2: Convert to fraction form
   28,606.50/62,910 = 62,910/x
3. Step 3: Cross multiply
   28,606.50x = 62,910 × 62,910
4. Step 4: Simplify right side
   28,606.50x = 3,957,668,100
5. Step 5: Solve for x
   x = 3,957,668,100/28,606.50
6. Step 6: Final answer
   x = 138,348.56