Finding the Third Proportional to 404.38 and 603.94

Step by Step Solution

1. Step 1: Write the proportion equation
   404.38 : 603.94 = 603.94 : x
2. Step 2: Convert to fraction form
   404.38/603.94 = 603.94/x
3. Step 3: Cross multiply
   404.38x = 603.94 × 603.94
4. Step 4: Simplify right side
   404.38x = 364,740.50
5. Step 5: Solve for x
   x = 364,740.50/404.38
6. Step 6: Final answer
   x = 901.99