Finding the Third Proportional to 208.13 and 443.06

Step by Step Solution

1. Step 1: Write the proportion equation
   208.13 : 443.06 = 443.06 : x
2. Step 2: Convert to fraction form
   208.13/443.06 = 443.06/x
3. Step 3: Cross multiply
   208.13x = 443.06 × 443.06
4. Step 4: Simplify right side
   208.13x = 196,304.38
5. Step 5: Solve for x
   x = 196,304.38/208.13
6. Step 6: Final answer
   x = 943.20