Finding the Third Proportional to 11,755.50 and 18,242.25

Step by Step Solution

1. Step 1: Write the proportion equation
   11,755.50 : 18,242.25 = 18,242.25 : x
2. Step 2: Convert to fraction form
   11,755.50/18,242.25 = 18,242.25/x
3. Step 3: Cross multiply
   11,755.50x = 18,242.25 × 18,242.25
4. Step 4: Simplify right side
   11,755.50x = 332,779,685.06
5. Step 5: Solve for x
   x = 332,779,685.06/11,755.50
6. Step 6: Final answer
   x = 28,308.42