Finding the Third Proportional to 375,046.50 and 809,142

Step by Step Solution

1. Step 1: Write the proportion equation
   375,046.50 : 809,142 = 809,142 : x
2. Step 2: Convert to fraction form
   375,046.50/809,142 = 809,142/x
3. Step 3: Cross multiply
   375,046.50x = 809,142 × 809,142
4. Step 4: Simplify right side
   375,046.50x = 654,710,776,164
5. Step 5: Solve for x
   x = 654,710,776,164/375,046.50
6. Step 6: Final answer
   x = 1,745,678.94