Finding the Third Proportional to 8,742 and 13,849

Step by Step Solution

1. Step 1: Write the proportion equation
   8,742 : 13,849 = 13,849 : x
2. Step 2: Convert to fraction form
   8,742/13,849 = 13,849/x
3. Step 3: Cross multiply
   8,742x = 13,849 × 13,849
4. Step 4: Simplify right side
   8,742x = 191,794,801
5. Step 5: Solve for x
   x = 191,794,801/8,742
6. Step 6: Final answer
   x = 21,939.46