Finding the Third Proportional to 642,663 and 962,050.50

Step by Step Solution

1. Step 1: Write the proportion equation
   642,663 : 962,050.50 = 962,050.50 : x
2. Step 2: Convert to fraction form
   642,663/962,050.50 = 962,050.50/x
3. Step 3: Cross multiply
   642,663x = 962,050.50 × 962,050.50
4. Step 4: Simplify right side
   642,663x = 925,541,164,550.25
5. Step 5: Solve for x
   x = 925,541,164,550.25/642,663
6. Step 6: Final answer
   x = 1,440,165.63