Finding the Third Proportional to 172,270 and 252,562.75

Step by Step Solution

1. Step 1: Write the proportion equation
   172,270 : 252,562.75 = 252,562.75 : x
2. Step 2: Convert to fraction form
   172,270/252,562.75 = 252,562.75/x
3. Step 3: Cross multiply
   172,270x = 252,562.75 × 252,562.75
4. Step 4: Simplify right side
   172,270x = 63,787,942,687.56
5. Step 5: Solve for x
   x = 63,787,942,687.56/172,270
6. Step 6: Final answer
   x = 370,278.88