Finding the Third Proportional to 404,754 and 870,738

Step by Step Solution

1. Step 1: Write the proportion equation
   404,754 : 870,738 = 870,738 : x
2. Step 2: Convert to fraction form
   404,754/870,738 = 870,738/x
3. Step 3: Cross multiply
   404,754x = 870,738 × 870,738
4. Step 4: Simplify right side
   404,754x = 758,184,664,644
5. Step 5: Solve for x
   x = 758,184,664,644/404,754
6. Step 6: Final answer
   x = 1,873,198.70