Finding the Third Proportional to 11,557.69 and 18,323.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,557.69 : 18,323.72 = 18,323.72 : x
2. Step 2: Convert to fraction form
   11,557.69/18,323.72 = 18,323.72/x
3. Step 3: Cross multiply
   11,557.69x = 18,323.72 × 18,323.72
4. Step 4: Simplify right side
   11,557.69x = 335,758,668.83
5. Step 5: Solve for x
   x = 335,758,668.83/11,557.69
6. Step 6: Final answer
   x = 29,050.68