Finding the Third Proportional to 4.69 and 10.31

Step by Step Solution

1. Step 1: Write the proportion equation
   4.69 : 10.31 = 10.31 : x
2. Step 2: Convert to fraction form
   4.69/10.31 = 10.31/x
3. Step 3: Cross multiply
   4.69x = 10.31 × 10.31
4. Step 4: Simplify right side
   4.69x = 106.35
5. Step 5: Solve for x
   x = 106.35/4.69
6. Step 6: Final answer
   x = 22.69