Finding the Third Proportional to 9,142 and 13,081

Step by Step Solution

1. Step 1: Write the proportion equation
   9,142 : 13,081 = 13,081 : x
2. Step 2: Convert to fraction form
   9,142/13,081 = 13,081/x
3. Step 3: Cross multiply
   9,142x = 13,081 × 13,081
4. Step 4: Simplify right side
   9,142x = 171,112,561
5. Step 5: Solve for x
   x = 171,112,561/9,142
6. Step 6: Final answer
   x = 18,717.19