Finding the Third Proportional to 208.83 and 306.83

Step by Step Solution

1. Step 1: Write the proportion equation
   208.83 : 306.83 = 306.83 : x
2. Step 2: Convert to fraction form
   208.83/306.83 = 306.83/x
3. Step 3: Cross multiply
   208.83x = 306.83 × 306.83
4. Step 4: Simplify right side
   208.83x = 94,147.69
5. Step 5: Solve for x
   x = 94,147.69/208.83
6. Step 6: Final answer
   x = 450.84