Finding the Third Proportional to 576,436.50 and 916,165.69

Step by Step Solution

1. Step 1: Write the proportion equation
   576,436.50 : 916,165.69 = 916,165.69 : x
2. Step 2: Convert to fraction form
   576,436.50/916,165.69 = 916,165.69/x
3. Step 3: Cross multiply
   576,436.50x = 916,165.69 × 916,165.69
4. Step 4: Simplify right side
   576,436.50x = 839,359,566,952.35
5. Step 5: Solve for x
   x = 839,359,566,952.35/576,436.50
6. Step 6: Final answer
   x = 1,456,118.01