Finding the Third Proportional to 124,800.75 and 269,284.50

Step by Step Solution

1. Step 1: Write the proportion equation
   124,800.75 : 269,284.50 = 269,284.50 : x
2. Step 2: Convert to fraction form
   124,800.75/269,284.50 = 269,284.50/x
3. Step 3: Cross multiply
   124,800.75x = 269,284.50 × 269,284.50
4. Step 4: Simplify right side
   124,800.75x = 72,514,141,940.25
5. Step 5: Solve for x
   x = 72,514,141,940.25/124,800.75
6. Step 6: Final answer
   x = 581,039.31