Finding the Third Proportional to 9,134 and 13,678

Step by Step Solution

1. Step 1: Write the proportion equation
   9,134 : 13,678 = 13,678 : x
2. Step 2: Convert to fraction form
   9,134/13,678 = 13,678/x
3. Step 3: Cross multiply
   9,134x = 13,678 × 13,678
4. Step 4: Simplify right side
   9,134x = 187,087,684
5. Step 5: Solve for x
   x = 187,087,684/9,134
6. Step 6: Final answer
   x = 20,482.56