Finding the Third Proportional to 12,123 and 18,002.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,123 : 18,002.25 = 18,002.25 : x
2. Step 2: Convert to fraction form
   12,123/18,002.25 = 18,002.25/x
3. Step 3: Cross multiply
   12,123x = 18,002.25 × 18,002.25
4. Step 4: Simplify right side
   12,123x = 324,081,005.06
5. Step 5: Solve for x
   x = 324,081,005.06/12,123
6. Step 6: Final answer
   x = 26,732.74