Finding the Third Proportional to 404,764 and 870,758

Step by Step Solution

1. Step 1: Write the proportion equation
   404,764 : 870,758 = 870,758 : x
2. Step 2: Convert to fraction form
   404,764/870,758 = 870,758/x
3. Step 3: Cross multiply
   404,764x = 870,758 × 870,758
4. Step 4: Simplify right side
   404,764x = 758,219,494,564
5. Step 5: Solve for x
   x = 758,219,494,564/404,764
6. Step 6: Final answer
   x = 1,873,238.47