Finding the Third Proportional to 404,764 and 603,868

Step by Step Solution

1. Step 1: Write the proportion equation
   404,764 : 603,868 = 603,868 : x
2. Step 2: Convert to fraction form
   404,764/603,868 = 603,868/x
3. Step 3: Cross multiply
   404,764x = 603,868 × 603,868
4. Step 4: Simplify right side
   404,764x = 364,656,561,424
5. Step 5: Solve for x
   x = 364,656,561,424/404,764
6. Step 6: Final answer
   x = 900,911.55