Finding the Third Proportional to 12,150 and 18,143

Step by Step Solution

1. Step 1: Write the proportion equation
   12,150 : 18,143 = 18,143 : x
2. Step 2: Convert to fraction form
   12,150/18,143 = 18,143/x
3. Step 3: Cross multiply
   12,150x = 18,143 × 18,143
4. Step 4: Simplify right side
   12,150x = 329,168,449
5. Step 5: Solve for x
   x = 329,168,449/12,150
6. Step 6: Final answer
   x = 27,092.05