Finding the Third Proportional to 58,456.50 and 126,255

Step by Step Solution

1. Step 1: Write the proportion equation
   58,456.50 : 126,255 = 126,255 : x
2. Step 2: Convert to fraction form
   58,456.50/126,255 = 126,255/x
3. Step 3: Cross multiply
   58,456.50x = 126,255 × 126,255
4. Step 4: Simplify right side
   58,456.50x = 15,940,325,025
5. Step 5: Solve for x
   x = 15,940,325,025/58,456.50
6. Step 6: Final answer
   x = 272,686.96