Finding the Third Proportional to 404,820 and 603,946

Step by Step Solution

1. Step 1: Write the proportion equation
   404,820 : 603,946 = 603,946 : x
2. Step 2: Convert to fraction form
   404,820/603,946 = 603,946/x
3. Step 3: Cross multiply
   404,820x = 603,946 × 603,946
4. Step 4: Simplify right side
   404,820x = 364,750,770,916
5. Step 5: Solve for x
   x = 364,750,770,916/404,820
6. Step 6: Final answer
   x = 901,019.64