Finding the Third Proportional to 240,663 and 369,949.50

Step by Step Solution

1. Step 1: Write the proportion equation
   240,663 : 369,949.50 = 369,949.50 : x
2. Step 2: Convert to fraction form
   240,663/369,949.50 = 369,949.50/x
3. Step 3: Cross multiply
   240,663x = 369,949.50 × 369,949.50
4. Step 4: Simplify right side
   240,663x = 136,862,632,550.25
5. Step 5: Solve for x
   x = 136,862,632,550.25/240,663
6. Step 6: Final answer
   x = 568,689.96