Finding the Third Proportional to 404,776 and 603,880

Step by Step Solution

1. Step 1: Write the proportion equation
   404,776 : 603,880 = 603,880 : x
2. Step 2: Convert to fraction form
   404,776/603,880 = 603,880/x
3. Step 3: Cross multiply
   404,776x = 603,880 × 603,880
4. Step 4: Simplify right side
   404,776x = 364,671,054,400
5. Step 5: Solve for x
   x = 364,671,054,400/404,776
6. Step 6: Final answer
   x = 900,920.64