Finding the Third Proportional to 239,215.50 and 325,019.25

Step by Step Solution

1. Step 1: Write the proportion equation
   239,215.50 : 325,019.25 = 325,019.25 : x
2. Step 2: Convert to fraction form
   239,215.50/325,019.25 = 325,019.25/x
3. Step 3: Cross multiply
   239,215.50x = 325,019.25 × 325,019.25
4. Step 4: Simplify right side
   239,215.50x = 105,637,512,870.56
5. Step 5: Solve for x
   x = 105,637,512,870.56/239,215.50
6. Step 6: Final answer
   x = 441,599.78