Finding the Third Proportional to 11,871.56 and 16,896.09

Step by Step Solution

1. Step 1: Write the proportion equation
   11,871.56 : 16,896.09 = 16,896.09 : x
2. Step 2: Convert to fraction form
   11,871.56/16,896.09 = 16,896.09/x
3. Step 3: Cross multiply
   11,871.56x = 16,896.09 × 16,896.09
4. Step 4: Simplify right side
   11,871.56x = 285,477,984.01
5. Step 5: Solve for x
   x = 285,477,984.01/11,871.56
6. Step 6: Final answer
   x = 24,047.21