Finding the Third Proportional to 404,772 and 603,876

Step by Step Solution

1. Step 1: Write the proportion equation
   404,772 : 603,876 = 603,876 : x
2. Step 2: Convert to fraction form
   404,772/603,876 = 603,876/x
3. Step 3: Cross multiply
   404,772x = 603,876 × 603,876
4. Step 4: Simplify right side
   404,772x = 364,666,223,376
5. Step 5: Solve for x
   x = 364,666,223,376/404,772
6. Step 6: Final answer
   x = 900,917.61