Finding the Third Proportional to 9,021.38 and 12,711.94

Step by Step Solution

1. Step 1: Write the proportion equation
   9,021.38 : 12,711.94 = 12,711.94 : x
2. Step 2: Convert to fraction form
   9,021.38/12,711.94 = 12,711.94/x
3. Step 3: Cross multiply
   9,021.38x = 12,711.94 × 12,711.94
4. Step 4: Simplify right side
   9,021.38x = 161,593,355.00
5. Step 5: Solve for x
   x = 161,593,355.00/9,021.38
6. Step 6: Final answer
   x = 17,912.28