Finding the Third Proportional to 9,119 and 13,039

Step by Step Solution

1. Step 1: Write the proportion equation
   9,119 : 13,039 = 13,039 : x
2. Step 2: Convert to fraction form
   9,119/13,039 = 13,039/x
3. Step 3: Cross multiply
   9,119x = 13,039 × 13,039
4. Step 4: Simplify right side
   9,119x = 170,015,521
5. Step 5: Solve for x
   x = 170,015,521/9,119
6. Step 6: Final answer
   x = 18,644.10