Finding the Third Proportional to 9,078 and 13,675

Step by Step Solution

1. Step 1: Write the proportion equation
   9,078 : 13,675 = 13,675 : x
2. Step 2: Convert to fraction form
   9,078/13,675 = 13,675/x
3. Step 3: Cross multiply
   9,078x = 13,675 × 13,675
4. Step 4: Simplify right side
   9,078x = 187,005,625
5. Step 5: Solve for x
   x = 187,005,625/9,078
6. Step 6: Final answer
   x = 20,599.87