Finding the Third Proportional to 28,860 and 62,641.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28,860 : 62,641.50 = 62,641.50 : x
2. Step 2: Convert to fraction form
   28,860/62,641.50 = 62,641.50/x
3. Step 3: Cross multiply
   28,860x = 62,641.50 × 62,641.50
4. Step 4: Simplify right side
   28,860x = 3,923,957,522.25
5. Step 5: Solve for x
   x = 3,923,957,522.25/28,860
6. Step 6: Final answer
   x = 135,965.26