Finding the Third Proportional to 386.31 and 833.31

Step by Step Solution

1. Step 1: Write the proportion equation
   386.31 : 833.31 = 833.31 : x
2. Step 2: Convert to fraction form
   386.31/833.31 = 833.31/x
3. Step 3: Cross multiply
   386.31x = 833.31 × 833.31
4. Step 4: Simplify right side
   386.31x = 694,409.72
5. Step 5: Solve for x
   x = 694,409.72/386.31
6. Step 6: Final answer
   x = 1,797.53