Finding the Third Proportional to 215.95 and 333.52

Step by Step Solution

1. Step 1: Write the proportion equation
   215.95 : 333.52 = 333.52 : x
2. Step 2: Convert to fraction form
   215.95/333.52 = 333.52/x
3. Step 3: Cross multiply
   215.95x = 333.52 × 333.52
4. Step 4: Simplify right side
   215.95x = 111,232.67
5. Step 5: Solve for x
   x = 111,232.67/215.95
6. Step 6: Final answer
   x = 515.08