Finding the Third Proportional to 570.38 and 835.25

Step by Step Solution

1. Step 1: Write the proportion equation
   570.38 : 835.25 = 835.25 : x
2. Step 2: Convert to fraction form
   570.38/835.25 = 835.25/x
3. Step 3: Cross multiply
   570.38x = 835.25 × 835.25
4. Step 4: Simplify right side
   570.38x = 697,642.56
5. Step 5: Solve for x
   x = 697,642.56/570.38
6. Step 6: Final answer
   x = 1,223.13