Finding the Third Proportional to 12,187.97 and 18,168.05

Step by Step Solution

1. Step 1: Write the proportion equation
   12,187.97 : 18,168.05 = 18,168.05 : x
2. Step 2: Convert to fraction form
   12,187.97/18,168.05 = 18,168.05/x
3. Step 3: Cross multiply
   12,187.97x = 18,168.05 × 18,168.05
4. Step 4: Simplify right side
   12,187.97x = 330,077,927.25
5. Step 5: Solve for x
   x = 330,077,927.25/12,187.97
6. Step 6: Final answer
   x = 27,082.28