Finding the Third Proportional to 375,379 and 809,807.50

Step by Step Solution

1. Step 1: Write the proportion equation
   375,379 : 809,807.50 = 809,807.50 : x
2. Step 2: Convert to fraction form
   375,379/809,807.50 = 809,807.50/x
3. Step 3: Cross multiply
   375,379x = 809,807.50 × 809,807.50
4. Step 4: Simplify right side
   375,379x = 655,788,187,056.25
5. Step 5: Solve for x
   x = 655,788,187,056.25/375,379
6. Step 6: Final answer
   x = 1,747,002.86