Finding the Third Proportional to 324,769.50 and 485,514

Step by Step Solution

1. Step 1: Write the proportion equation
   324,769.50 : 485,514 = 485,514 : x
2. Step 2: Convert to fraction form
   324,769.50/485,514 = 485,514/x
3. Step 3: Cross multiply
   324,769.50x = 485,514 × 485,514
4. Step 4: Simplify right side
   324,769.50x = 235,723,844,196
5. Step 5: Solve for x
   x = 235,723,844,196/324,769.50
6. Step 6: Final answer
   x = 725,818.91