Finding the Third Proportional to 328,944 and 717,382.50

Step by Step Solution

1. Step 1: Write the proportion equation
   328,944 : 717,382.50 = 717,382.50 : x
2. Step 2: Convert to fraction form
   328,944/717,382.50 = 717,382.50/x
3. Step 3: Cross multiply
   328,944x = 717,382.50 × 717,382.50
4. Step 4: Simplify right side
   328,944x = 514,637,651,306.25
5. Step 5: Solve for x
   x = 514,637,651,306.25/328,944
6. Step 6: Final answer
   x = 1,564,514.48