Finding the Third Proportional to 2,281.31 and 3,968.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,281.31 : 3,968.81 = 3,968.81 : x
2. Step 2: Convert to fraction form
   2,281.31/3,968.81 = 3,968.81/x
3. Step 3: Cross multiply
   2,281.31x = 3,968.81 × 3,968.81
4. Step 4: Simplify right side
   2,281.31x = 15,751,472.66
5. Step 5: Solve for x
   x = 15,751,472.66/2,281.31
6. Step 6: Final answer
   x = 6,904.57