Finding the Third Proportional to 123,707 and 275,746

Step by Step Solution

1. Step 1: Write the proportion equation
   123,707 : 275,746 = 275,746 : x
2. Step 2: Convert to fraction form
   123,707/275,746 = 275,746/x
3. Step 3: Cross multiply
   123,707x = 275,746 × 275,746
4. Step 4: Simplify right side
   123,707x = 76,035,856,516
5. Step 5: Solve for x
   x = 76,035,856,516/123,707
6. Step 6: Final answer
   x = 614,644.74