Finding the Third Proportional to 23,690 and 54,849

Step by Step Solution

1. Step 1: Write the proportion equation
   23,690 : 54,849 = 54,849 : x
2. Step 2: Convert to fraction form
   23,690/54,849 = 54,849/x
3. Step 3: Cross multiply
   23,690x = 54,849 × 54,849
4. Step 4: Simplify right side
   23,690x = 3,008,412,801
5. Step 5: Solve for x
   x = 3,008,412,801/23,690
6. Step 6: Final answer
   x = 126,990.83