Finding the Third Proportional to 23,687 and 54,842

Step by Step Solution

1. Step 1: Write the proportion equation
   23,687 : 54,842 = 54,842 : x
2. Step 2: Convert to fraction form
   23,687/54,842 = 54,842/x
3. Step 3: Cross multiply
   23,687x = 54,842 × 54,842
4. Step 4: Simplify right side
   23,687x = 3,007,644,964
5. Step 5: Solve for x
   x = 3,007,644,964/23,687
6. Step 6: Final answer
   x = 126,974.50