Finding the Third Proportional to 369,304 and 803,311.50

Step by Step Solution

1. Step 1: Write the proportion equation
   369,304 : 803,311.50 = 803,311.50 : x
2. Step 2: Convert to fraction form
   369,304/803,311.50 = 803,311.50/x
3. Step 3: Cross multiply
   369,304x = 803,311.50 × 803,311.50
4. Step 4: Simplify right side
   369,304x = 645,309,366,032.25
5. Step 5: Solve for x
   x = 645,309,366,032.25/369,304
6. Step 6: Final answer
   x = 1,747,366.31