Finding the Third Proportional to 301.31 and 650.81

Step by Step Solution

1. Step 1: Write the proportion equation
   301.31 : 650.81 = 650.81 : x
2. Step 2: Convert to fraction form
   301.31/650.81 = 650.81/x
3. Step 3: Cross multiply
   301.31x = 650.81 × 650.81
4. Step 4: Simplify right side
   301.31x = 423,556.91
5. Step 5: Solve for x
   x = 423,556.91/301.31
6. Step 6: Final answer
   x = 1,405.71