Finding the Third Proportional to 51,108 and 111,720

Step by Step Solution

1. Step 1: Write the proportion equation
   51,108 : 111,720 = 111,720 : x
2. Step 2: Convert to fraction form
   51,108/111,720 = 111,720/x
3. Step 3: Cross multiply
   51,108x = 111,720 × 111,720
4. Step 4: Simplify right side
   51,108x = 12,481,358,400
5. Step 5: Solve for x
   x = 12,481,358,400/51,108
6. Step 6: Final answer
   x = 244,215.36