Finding the Third Proportional to 123.75 and 244.69

Step by Step Solution

1. Step 1: Write the proportion equation
   123.75 : 244.69 = 244.69 : x
2. Step 2: Convert to fraction form
   123.75/244.69 = 244.69/x
3. Step 3: Cross multiply
   123.75x = 244.69 × 244.69
4. Step 4: Simplify right side
   123.75x = 59,871.97
5. Step 5: Solve for x
   x = 59,871.97/123.75
6. Step 6: Final answer
   x = 483.81