Finding the Third Proportional to 51.63 and 104.69

Step by Step Solution

1. Step 1: Write the proportion equation
   51.63 : 104.69 = 104.69 : x
2. Step 2: Convert to fraction form
   51.63/104.69 = 104.69/x
3. Step 3: Cross multiply
   51.63x = 104.69 × 104.69
4. Step 4: Simplify right side
   51.63x = 10,959.47
5. Step 5: Solve for x
   x = 10,959.47/51.63
6. Step 6: Final answer
   x = 212.29