Finding the Third Proportional to 57,757.50 and 126,855

Step by Step Solution

1. Step 1: Write the proportion equation
   57,757.50 : 126,855 = 126,855 : x
2. Step 2: Convert to fraction form
   57,757.50/126,855 = 126,855/x
3. Step 3: Cross multiply
   57,757.50x = 126,855 × 126,855
4. Step 4: Simplify right side
   57,757.50x = 16,092,191,025
5. Step 5: Solve for x
   x = 16,092,191,025/57,757.50
6. Step 6: Final answer
   x = 278,616.47