Finding the Third Proportional to 51,959 and 111,687

Step by Step Solution

1. Step 1: Write the proportion equation
   51,959 : 111,687 = 111,687 : x
2. Step 2: Convert to fraction form
   51,959/111,687 = 111,687/x
3. Step 3: Cross multiply
   51,959x = 111,687 × 111,687
4. Step 4: Simplify right side
   51,959x = 12,473,985,969
5. Step 5: Solve for x
   x = 12,473,985,969/51,959
6. Step 6: Final answer
   x = 240,073.63