Finding the Third Proportional to 12,171.94 and 18,257.06

Step by Step Solution

1. Step 1: Write the proportion equation
   12,171.94 : 18,257.06 = 18,257.06 : x
2. Step 2: Convert to fraction form
   12,171.94/18,257.06 = 18,257.06/x
3. Step 3: Cross multiply
   12,171.94x = 18,257.06 × 18,257.06
4. Step 4: Simplify right side
   12,171.94x = 333,320,331.13
5. Step 5: Solve for x
   x = 333,320,331.13/12,171.94
6. Step 6: Final answer
   x = 27,384.33