Finding the Third Proportional to 124,866 and 275,449.50

Step by Step Solution

1. Step 1: Write the proportion equation
   124,866 : 275,449.50 = 275,449.50 : x
2. Step 2: Convert to fraction form
   124,866/275,449.50 = 275,449.50/x
3. Step 3: Cross multiply
   124,866x = 275,449.50 × 275,449.50
4. Step 4: Simplify right side
   124,866x = 75,872,427,050.25
5. Step 5: Solve for x
   x = 75,872,427,050.25/124,866
6. Step 6: Final answer
   x = 607,630.80