Finding the Third Proportional to 404,867 and 859,550

Step by Step Solution

1. Step 1: Write the proportion equation
   404,867 : 859,550 = 859,550 : x
2. Step 2: Convert to fraction form
   404,867/859,550 = 859,550/x
3. Step 3: Cross multiply
   404,867x = 859,550 × 859,550
4. Step 4: Simplify right side
   404,867x = 738,826,202,500
5. Step 5: Solve for x
   x = 738,826,202,500/404,867
6. Step 6: Final answer
   x = 1,824,861.50