Finding the Third Proportional to 11,618 and 18,003

Step by Step Solution

1. Step 1: Write the proportion equation
   11,618 : 18,003 = 18,003 : x
2. Step 2: Convert to fraction form
   11,618/18,003 = 18,003/x
3. Step 3: Cross multiply
   11,618x = 18,003 × 18,003
4. Step 4: Simplify right side
   11,618x = 324,108,009
5. Step 5: Solve for x
   x = 324,108,009/11,618
6. Step 6: Final answer
   x = 27,897.06