Finding the Third Proportional to 12,126.13 and 18,114.48

Step by Step Solution

1. Step 1: Write the proportion equation
   12,126.13 : 18,114.48 = 18,114.48 : x
2. Step 2: Convert to fraction form
   12,126.13/18,114.48 = 18,114.48/x
3. Step 3: Cross multiply
   12,126.13x = 18,114.48 × 18,114.48
4. Step 4: Simplify right side
   12,126.13x = 328,134,544.17
5. Step 5: Solve for x
   x = 328,134,544.17/12,126.13
6. Step 6: Final answer
   x = 27,060.13