Finding the Third Proportional to 124,866.75 and 275,185.50

Step by Step Solution

1. Step 1: Write the proportion equation
   124,866.75 : 275,185.50 = 275,185.50 : x
2. Step 2: Convert to fraction form
   124,866.75/275,185.50 = 275,185.50/x
3. Step 3: Cross multiply
   124,866.75x = 275,185.50 × 275,185.50
4. Step 4: Simplify right side
   124,866.75x = 75,727,059,410.25
5. Step 5: Solve for x
   x = 75,727,059,410.25/124,866.75
6. Step 6: Final answer
   x = 606,462.96