Finding the Third Proportional to 142,466 and 225,591.50

Step by Step Solution

1. Step 1: Write the proportion equation
   142,466 : 225,591.50 = 225,591.50 : x
2. Step 2: Convert to fraction form
   142,466/225,591.50 = 225,591.50/x
3. Step 3: Cross multiply
   142,466x = 225,591.50 × 225,591.50
4. Step 4: Simplify right side
   142,466x = 50,891,524,872.25
5. Step 5: Solve for x
   x = 50,891,524,872.25/142,466
6. Step 6: Final answer
   x = 357,218.74