Finding the Third Proportional to 404,761 and 603,861

Step by Step Solution

1. Step 1: Write the proportion equation
   404,761 : 603,861 = 603,861 : x
2. Step 2: Convert to fraction form
   404,761/603,861 = 603,861/x
3. Step 3: Cross multiply
   404,761x = 603,861 × 603,861
4. Step 4: Simplify right side
   404,761x = 364,648,107,321
5. Step 5: Solve for x
   x = 364,648,107,321/404,761
6. Step 6: Final answer
   x = 900,897.34