Finding the Third Proportional to 51,708 and 111,669

Step by Step Solution

1. Step 1: Write the proportion equation
   51,708 : 111,669 = 111,669 : x
2. Step 2: Convert to fraction form
   51,708/111,669 = 111,669/x
3. Step 3: Cross multiply
   51,708x = 111,669 × 111,669
4. Step 4: Simplify right side
   51,708x = 12,469,965,561
5. Step 5: Solve for x
   x = 12,469,965,561/51,708
6. Step 6: Final answer
   x = 241,161.24