Finding the Third Proportional to 8,231 and 12,055

Step by Step Solution

1. Step 1: Write the proportion equation
   8,231 : 12,055 = 12,055 : x
2. Step 2: Convert to fraction form
   8,231/12,055 = 12,055/x
3. Step 3: Cross multiply
   8,231x = 12,055 × 12,055
4. Step 4: Simplify right side
   8,231x = 145,323,025
5. Step 5: Solve for x
   x = 145,323,025/8,231
6. Step 6: Final answer
   x = 17,655.57