Finding the Third Proportional to 116.02 and 273.85

Step by Step Solution

1. Step 1: Write the proportion equation
   116.02 : 273.85 = 273.85 : x
2. Step 2: Convert to fraction form
   116.02/273.85 = 273.85/x
3. Step 3: Cross multiply
   116.02x = 273.85 × 273.85
4. Step 4: Simplify right side
   116.02x = 74,993.61
5. Step 5: Solve for x
   x = 74,993.61/116.02
6. Step 6: Final answer
   x = 646.41