Finding the Third Proportional to 48.98 and 71.73

Step by Step Solution

1. Step 1: Write the proportion equation
   48.98 : 71.73 = 71.73 : x
2. Step 2: Convert to fraction form
   48.98/71.73 = 71.73/x
3. Step 3: Cross multiply
   48.98x = 71.73 × 71.73
4. Step 4: Simplify right side
   48.98x = 5,145.32
5. Step 5: Solve for x
   x = 5,145.32/48.98
6. Step 6: Final answer
   x = 105.05