Finding the Third Proportional to 142,548 and 225,700

Step by Step Solution

1. Step 1: Write the proportion equation
   142,548 : 225,700 = 225,700 : x
2. Step 2: Convert to fraction form
   142,548/225,700 = 225,700/x
3. Step 3: Cross multiply
   142,548x = 225,700 × 225,700
4. Step 4: Simplify right side
   142,548x = 50,940,490,000
5. Step 5: Solve for x
   x = 50,940,490,000/142,548
6. Step 6: Final answer
   x = 357,356.75