Finding the Third Proportional to 216,086.50 and 327,112.25

Step by Step Solution

1. Step 1: Write the proportion equation
   216,086.50 : 327,112.25 = 327,112.25 : x
2. Step 2: Convert to fraction form
   216,086.50/327,112.25 = 327,112.25/x
3. Step 3: Cross multiply
   216,086.50x = 327,112.25 × 327,112.25
4. Step 4: Simplify right side
   216,086.50x = 107,002,424,100.06
5. Step 5: Solve for x
   x = 107,002,424,100.06/216,086.50
6. Step 6: Final answer
   x = 495,183.29