Finding the Third Proportional to 103.78 and 160.73

Step by Step Solution

1. Step 1: Write the proportion equation
   103.78 : 160.73 = 160.73 : x
2. Step 2: Convert to fraction form
   103.78/160.73 = 160.73/x
3. Step 3: Cross multiply
   103.78x = 160.73 × 160.73
4. Step 4: Simplify right side
   103.78x = 25,835.54
5. Step 5: Solve for x
   x = 25,835.54/103.78
6. Step 6: Final answer
   x = 248.94