Finding the Third Proportional to 465,442 and 723,672.75

Step by Step Solution

1. Step 1: Write the proportion equation
   465,442 : 723,672.75 = 723,672.75 : x
2. Step 2: Convert to fraction form
   465,442/723,672.75 = 723,672.75/x
3. Step 3: Cross multiply
   465,442x = 723,672.75 × 723,672.75
4. Step 4: Simplify right side
   465,442x = 523,702,249,092.56
5. Step 5: Solve for x
   x = 523,702,249,092.56/465,442
6. Step 6: Final answer
   x = 1,125,171.88