Finding the Third Proportional to 39.84 and 103.69

Step by Step Solution

1. Step 1: Write the proportion equation
   39.84 : 103.69 = 103.69 : x
2. Step 2: Convert to fraction form
   39.84/103.69 = 103.69/x
3. Step 3: Cross multiply
   39.84x = 103.69 × 103.69
4. Step 4: Simplify right side
   39.84x = 10,751.10
5. Step 5: Solve for x
   x = 10,751.10/39.84
6. Step 6: Final answer
   x = 269.83