Finding the Third Proportional to 322.31 and 703.59

Step by Step Solution

1. Step 1: Write the proportion equation
   322.31 : 703.59 = 703.59 : x
2. Step 2: Convert to fraction form
   322.31/703.59 = 703.59/x
3. Step 3: Cross multiply
   322.31x = 703.59 × 703.59
4. Step 4: Simplify right side
   322.31x = 495,044.17
5. Step 5: Solve for x
   x = 495,044.17/322.31
6. Step 6: Final answer
   x = 1,535.91