Finding the Third Proportional to 11,557.69 and 16,885.97

Step by Step Solution

1. Step 1: Write the proportion equation
   11,557.69 : 16,885.97 = 16,885.97 : x
2. Step 2: Convert to fraction form
   11,557.69/16,885.97 = 16,885.97/x
3. Step 3: Cross multiply
   11,557.69x = 16,885.97 × 16,885.97
4. Step 4: Simplify right side
   11,557.69x = 285,135,940.63
5. Step 5: Solve for x
   x = 285,135,940.63/11,557.69
6. Step 6: Final answer
   x = 24,670.67