Finding the Third Proportional to 8,315 and 18,084.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,315 : 18,084.50 = 18,084.50 : x
2. Step 2: Convert to fraction form
   8,315/18,084.50 = 18,084.50/x
3. Step 3: Cross multiply
   8,315x = 18,084.50 × 18,084.50
4. Step 4: Simplify right side
   8,315x = 327,049,140.25
5. Step 5: Solve for x
   x = 327,049,140.25/8,315
6. Step 6: Final answer
   x = 39,332.43