Finding the Third Proportional to 11,398 and 13,018

Step by Step Solution

1. Step 1: Write the proportion equation
   11,398 : 13,018 = 13,018 : x
2. Step 2: Convert to fraction form
   11,398/13,018 = 13,018/x
3. Step 3: Cross multiply
   11,398x = 13,018 × 13,018
4. Step 4: Simplify right side
   11,398x = 169,468,324
5. Step 5: Solve for x
   x = 169,468,324/11,398
6. Step 6: Final answer
   x = 14,868.25