Finding the Third Proportional to 11,992.50 and 18,105.75

Step by Step Solution

1. Step 1: Write the proportion equation
   11,992.50 : 18,105.75 = 18,105.75 : x
2. Step 2: Convert to fraction form
   11,992.50/18,105.75 = 18,105.75/x
3. Step 3: Cross multiply
   11,992.50x = 18,105.75 × 18,105.75
4. Step 4: Simplify right side
   11,992.50x = 327,818,183.06
5. Step 5: Solve for x
   x = 327,818,183.06/11,992.50
6. Step 6: Final answer
   x = 27,335.27