Finding the Third Proportional to 124,791 and 268,285.50

Step by Step Solution

1. Step 1: Write the proportion equation
   124,791 : 268,285.50 = 268,285.50 : x
2. Step 2: Convert to fraction form
   124,791/268,285.50 = 268,285.50/x
3. Step 3: Cross multiply
   124,791x = 268,285.50 × 268,285.50
4. Step 4: Simplify right side
   124,791x = 71,977,109,510.25
5. Step 5: Solve for x
   x = 71,977,109,510.25/124,791
6. Step 6: Final answer
   x = 576,781.25