Finding the Third Proportional to 581,764 and 853,494

Step by Step Solution

1. Step 1: Write the proportion equation
   581,764 : 853,494 = 853,494 : x
2. Step 2: Convert to fraction form
   581,764/853,494 = 853,494/x
3. Step 3: Cross multiply
   581,764x = 853,494 × 853,494
4. Step 4: Simplify right side
   581,764x = 728,452,008,036
5. Step 5: Solve for x
   x = 728,452,008,036/581,764
6. Step 6: Final answer
   x = 1,252,143.49