Finding the Third Proportional to 124,659 and 267,178.50

Step by Step Solution

1. Step 1: Write the proportion equation
   124,659 : 267,178.50 = 267,178.50 : x
2. Step 2: Convert to fraction form
   124,659/267,178.50 = 267,178.50/x
3. Step 3: Cross multiply
   124,659x = 267,178.50 × 267,178.50
4. Step 4: Simplify right side
   124,659x = 71,384,350,862.25
5. Step 5: Solve for x
   x = 71,384,350,862.25/124,659
6. Step 6: Final answer
   x = 572,636.96