Finding the Third Proportional to 12,099.38 and 18,149.06

Step by Step Solution

1. Step 1: Write the proportion equation
   12,099.38 : 18,149.06 = 18,149.06 : x
2. Step 2: Convert to fraction form
   12,099.38/18,149.06 = 18,149.06/x
3. Step 3: Cross multiply
   12,099.38x = 18,149.06 × 18,149.06
4. Step 4: Simplify right side
   12,099.38x = 329,388,469.63
5. Step 5: Solve for x
   x = 329,388,469.63/12,099.38
6. Step 6: Final answer
   x = 27,223.59