Finding the Third Proportional to 11,661.75 and 18,453.38

Step by Step Solution

1. Step 1: Write the proportion equation
   11,661.75 : 18,453.38 = 18,453.38 : x
2. Step 2: Convert to fraction form
   11,661.75/18,453.38 = 18,453.38/x
3. Step 3: Cross multiply
   11,661.75x = 18,453.38 × 18,453.38
4. Step 4: Simplify right side
   11,661.75x = 340,527,048.89
5. Step 5: Solve for x
   x = 340,527,048.89/11,661.75
6. Step 6: Final answer
   x = 29,200.34