Finding the Third Proportional to 12,762.56 and 17,868.09

Step by Step Solution

1. Step 1: Write the proportion equation
   12,762.56 : 17,868.09 = 17,868.09 : x
2. Step 2: Convert to fraction form
   12,762.56/17,868.09 = 17,868.09/x
3. Step 3: Cross multiply
   12,762.56x = 17,868.09 × 17,868.09
4. Step 4: Simplify right side
   12,762.56x = 319,268,774.26
5. Step 5: Solve for x
   x = 319,268,774.26/12,762.56
6. Step 6: Final answer
   x = 25,016.04