Finding the Third Proportional to 8,870 and 13,017

Step by Step Solution

1. Step 1: Write the proportion equation
   8,870 : 13,017 = 13,017 : x
2. Step 2: Convert to fraction form
   8,870/13,017 = 13,017/x
3. Step 3: Cross multiply
   8,870x = 13,017 × 13,017
4. Step 4: Simplify right side
   8,870x = 169,442,289
5. Step 5: Solve for x
   x = 169,442,289/8,870
6. Step 6: Final answer
   x = 19,102.85