Finding the Third Proportional to 360.81 and 573.59

Step by Step Solution

1. Step 1: Write the proportion equation
   360.81 : 573.59 = 573.59 : x
2. Step 2: Convert to fraction form
   360.81/573.59 = 573.59/x
3. Step 3: Cross multiply
   360.81x = 573.59 × 573.59
4. Step 4: Simplify right side
   360.81x = 329,007.55
5. Step 5: Solve for x
   x = 329,007.55/360.81
6. Step 6: Final answer
   x = 911.86