Finding the Third Proportional to 636,810 and 955,117.50

Step by Step Solution

1. Step 1: Write the proportion equation
   636,810 : 955,117.50 = 955,117.50 : x
2. Step 2: Convert to fraction form
   636,810/955,117.50 = 955,117.50/x
3. Step 3: Cross multiply
   636,810x = 955,117.50 × 955,117.50
4. Step 4: Simplify right side
   636,810x = 912,249,438,806.25
5. Step 5: Solve for x
   x = 912,249,438,806.25/636,810
6. Step 6: Final answer
   x = 1,432,530.01