Finding the Third Proportional to 124,533 and 275,231.25

Step by Step Solution

1. Step 1: Write the proportion equation
   124,533 : 275,231.25 = 275,231.25 : x
2. Step 2: Convert to fraction form
   124,533/275,231.25 = 275,231.25/x
3. Step 3: Cross multiply
   124,533x = 275,231.25 × 275,231.25
4. Step 4: Simplify right side
   124,533x = 75,752,240,976.56
5. Step 5: Solve for x
   x = 75,752,240,976.56/124,533
6. Step 6: Final answer
   x = 608,290.50