Finding the Third Proportional to 50.78 and 104.73

Step by Step Solution

1. Step 1: Write the proportion equation
   50.78 : 104.73 = 104.73 : x
2. Step 2: Convert to fraction form
   50.78/104.73 = 104.73/x
3. Step 3: Cross multiply
   50.78x = 104.73 × 104.73
4. Step 4: Simplify right side
   50.78x = 10,968.47
5. Step 5: Solve for x
   x = 10,968.47/50.78
6. Step 6: Final answer
   x = 215.99