Finding the Third Proportional to 9,885 and 13,167

Step by Step Solution

1. Step 1: Write the proportion equation
   9,885 : 13,167 = 13,167 : x
2. Step 2: Convert to fraction form
   9,885/13,167 = 13,167/x
3. Step 3: Cross multiply
   9,885x = 13,167 × 13,167
4. Step 4: Simplify right side
   9,885x = 173,369,889
5. Step 5: Solve for x
   x = 173,369,889/9,885
6. Step 6: Final answer
   x = 17,538.68