Finding the Third Proportional to 50,800 and 111,440

Step by Step Solution

1. Step 1: Write the proportion equation
   50,800 : 111,440 = 111,440 : x
2. Step 2: Convert to fraction form
   50,800/111,440 = 111,440/x
3. Step 3: Cross multiply
   50,800x = 111,440 × 111,440
4. Step 4: Simplify right side
   50,800x = 12,418,873,600
5. Step 5: Solve for x
   x = 12,418,873,600/50,800
6. Step 6: Final answer
   x = 244,466.02