Finding the Third Proportional to 213,631.50 and 327,825

Step by Step Solution

1. Step 1: Write the proportion equation
   213,631.50 : 327,825 = 327,825 : x
2. Step 2: Convert to fraction form
   213,631.50/327,825 = 327,825/x
3. Step 3: Cross multiply
   213,631.50x = 327,825 × 327,825
4. Step 4: Simplify right side
   213,631.50x = 107,469,230,625
5. Step 5: Solve for x
   x = 107,469,230,625/213,631.50
6. Step 6: Final answer
   x = 503,058.92