Finding the Third Proportional to 11,891.81 and 25,606.13

Step by Step Solution

1. Step 1: Write the proportion equation
   11,891.81 : 25,606.13 = 25,606.13 : x
2. Step 2: Convert to fraction form
   11,891.81/25,606.13 = 25,606.13/x
3. Step 3: Cross multiply
   11,891.81x = 25,606.13 × 25,606.13
4. Step 4: Simplify right side
   11,891.81x = 655,673,637.52
5. Step 5: Solve for x
   x = 655,673,637.52/11,891.81
6. Step 6: Final answer
   x = 55,136.56