Finding the Third Proportional to 239,404.50 and 514,089.50

Step by Step Solution

1. Step 1: Write the proportion equation
   239,404.50 : 514,089.50 = 514,089.50 : x
2. Step 2: Convert to fraction form
   239,404.50/514,089.50 = 514,089.50/x
3. Step 3: Cross multiply
   239,404.50x = 514,089.50 × 514,089.50
4. Step 4: Simplify right side
   239,404.50x = 264,288,014,010.25
5. Step 5: Solve for x
   x = 264,288,014,010.25/239,404.50
6. Step 6: Final answer
   x = 1,103,939.21