Finding the Third Proportional to 142,932 and 209,025

Step by Step Solution

1. Step 1: Write the proportion equation
   142,932 : 209,025 = 209,025 : x
2. Step 2: Convert to fraction form
   142,932/209,025 = 209,025/x
3. Step 3: Cross multiply
   142,932x = 209,025 × 209,025
4. Step 4: Simplify right side
   142,932x = 43,691,450,625
5. Step 5: Solve for x
   x = 43,691,450,625/142,932
6. Step 6: Final answer
   x = 305,679.98