Finding the Third Proportional to 51,388 and 111,048

Step by Step Solution

1. Step 1: Write the proportion equation
   51,388 : 111,048 = 111,048 : x
2. Step 2: Convert to fraction form
   51,388/111,048 = 111,048/x
3. Step 3: Cross multiply
   51,388x = 111,048 × 111,048
4. Step 4: Simplify right side
   51,388x = 12,331,658,304
5. Step 5: Solve for x
   x = 12,331,658,304/51,388
6. Step 6: Final answer
   x = 239,971.56