Finding the Third Proportional to 124,456.50 and 273,105

Step by Step Solution

1. Step 1: Write the proportion equation
   124,456.50 : 273,105 = 273,105 : x
2. Step 2: Convert to fraction form
   124,456.50/273,105 = 273,105/x
3. Step 3: Cross multiply
   124,456.50x = 273,105 × 273,105
4. Step 4: Simplify right side
   124,456.50x = 74,586,341,025
5. Step 5: Solve for x
   x = 74,586,341,025/124,456.50
6. Step 6: Final answer
   x = 599,296.47