Finding the Third Proportional to 11,755.23 and 18,222.31

Step by Step Solution

1. Step 1: Write the proportion equation
   11,755.23 : 18,222.31 = 18,222.31 : x
2. Step 2: Convert to fraction form
   11,755.23/18,222.31 = 18,222.31/x
3. Step 3: Cross multiply
   11,755.23x = 18,222.31 × 18,222.31
4. Step 4: Simplify right side
   11,755.23x = 332,052,601.67
5. Step 5: Solve for x
   x = 332,052,601.67/11,755.23
6. Step 6: Final answer
   x = 28,247.22