Finding the Third Proportional to 375,969 and 811,864.50

Step by Step Solution

1. Step 1: Write the proportion equation
   375,969 : 811,864.50 = 811,864.50 : x
2. Step 2: Convert to fraction form
   375,969/811,864.50 = 811,864.50/x
3. Step 3: Cross multiply
   375,969x = 811,864.50 × 811,864.50
4. Step 4: Simplify right side
   375,969x = 659,123,966,360.25
5. Step 5: Solve for x
   x = 659,123,966,360.25/375,969
6. Step 6: Final answer
   x = 1,753,133.81