Finding the Third Proportional to 209,263.50 and 457,650

Step by Step Solution

1. Step 1: Write the proportion equation
   209,263.50 : 457,650 = 457,650 : x
2. Step 2: Convert to fraction form
   209,263.50/457,650 = 457,650/x
3. Step 3: Cross multiply
   209,263.50x = 457,650 × 457,650
4. Step 4: Simplify right side
   209,263.50x = 209,443,522,500
5. Step 5: Solve for x
   x = 209,443,522,500/209,263.50
6. Step 6: Final answer
   x = 1,000,860.27