Finding the Third Proportional to 239,179.50 and 324,972

Step by Step Solution

1. Step 1: Write the proportion equation
   239,179.50 : 324,972 = 324,972 : x
2. Step 2: Convert to fraction form
   239,179.50/324,972 = 324,972/x
3. Step 3: Cross multiply
   239,179.50x = 324,972 × 324,972
4. Step 4: Simplify right side
   239,179.50x = 105,606,800,784
5. Step 5: Solve for x
   x = 105,606,800,784/239,179.50
6. Step 6: Final answer
   x = 441,537.84