Finding the Third Proportional to 28,731.38 and 60,883.31

Step by Step Solution

1. Step 1: Write the proportion equation
   28,731.38 : 60,883.31 = 60,883.31 : x
2. Step 2: Convert to fraction form
   28,731.38/60,883.31 = 60,883.31/x
3. Step 3: Cross multiply
   28,731.38x = 60,883.31 × 60,883.31
4. Step 4: Simplify right side
   28,731.38x = 3,706,777,740.97
5. Step 5: Solve for x
   x = 3,706,777,740.97/28,731.38
6. Step 6: Final answer
   x = 129,014.98