Finding the Third Proportional to 13,144.78 and 18,444.27

Step by Step Solution

1. Step 1: Write the proportion equation
   13,144.78 : 18,444.27 = 18,444.27 : x
2. Step 2: Convert to fraction form
   13,144.78/18,444.27 = 18,444.27/x
3. Step 3: Cross multiply
   13,144.78x = 18,444.27 × 18,444.27
4. Step 4: Simplify right side
   13,144.78x = 340,191,078.54
5. Step 5: Solve for x
   x = 340,191,078.54/13,144.78
6. Step 6: Final answer
   x = 25,880.31