Finding the Third Proportional to 8,885 and 13,039

Step by Step Solution

1. Step 1: Write the proportion equation
   8,885 : 13,039 = 13,039 : x
2. Step 2: Convert to fraction form
   8,885/13,039 = 13,039/x
3. Step 3: Cross multiply
   8,885x = 13,039 × 13,039
4. Step 4: Simplify right side
   8,885x = 170,015,521
5. Step 5: Solve for x
   x = 170,015,521/8,885
6. Step 6: Final answer
   x = 19,135.12