Finding the Third Proportional to 11,908.69 and 25,665.19

Step by Step Solution

1. Step 1: Write the proportion equation
   11,908.69 : 25,665.19 = 25,665.19 : x
2. Step 2: Convert to fraction form
   11,908.69/25,665.19 = 25,665.19/x
3. Step 3: Cross multiply
   11,908.69x = 25,665.19 × 25,665.19
4. Step 4: Simplify right side
   11,908.69x = 658,701,849.41
5. Step 5: Solve for x
   x = 658,701,849.41/11,908.69
6. Step 6: Final answer
   x = 55,312.72