Finding the Third Proportional to 51.15 and 104.84

Step by Step Solution

1. Step 1: Write the proportion equation
   51.15 : 104.84 = 104.84 : x
2. Step 2: Convert to fraction form
   51.15/104.84 = 104.84/x
3. Step 3: Cross multiply
   51.15x = 104.84 × 104.84
4. Step 4: Simplify right side
   51.15x = 10,990.57
5. Step 5: Solve for x
   x = 10,990.57/51.15
6. Step 6: Final answer
   x = 214.86