Finding the Third Proportional to 205.31 and 300.94

Step by Step Solution

1. Step 1: Write the proportion equation
   205.31 : 300.94 = 300.94 : x
2. Step 2: Convert to fraction form
   205.31/300.94 = 300.94/x
3. Step 3: Cross multiply
   205.31x = 300.94 × 300.94
4. Step 4: Simplify right side
   205.31x = 90,563.38
5. Step 5: Solve for x
   x = 90,563.38/205.31
6. Step 6: Final answer
   x = 441.10