Finding the Third Proportional to 404,784 and 603,892

Step by Step Solution

1. Step 1: Write the proportion equation
   404,784 : 603,892 = 603,892 : x
2. Step 2: Convert to fraction form
   404,784/603,892 = 603,892/x
3. Step 3: Cross multiply
   404,784x = 603,892 × 603,892
4. Step 4: Simplify right side
   404,784x = 364,685,547,664
5. Step 5: Solve for x
   x = 364,685,547,664/404,784
6. Step 6: Final answer
   x = 900,938.64