Finding the Third Proportional to 401,034 and 835,240

Step by Step Solution

1. Step 1: Write the proportion equation
   401,034 : 835,240 = 835,240 : x
2. Step 2: Convert to fraction form
   401,034/835,240 = 835,240/x
3. Step 3: Cross multiply
   401,034x = 835,240 × 835,240
4. Step 4: Simplify right side
   401,034x = 697,625,857,600
5. Step 5: Solve for x
   x = 697,625,857,600/401,034
6. Step 6: Final answer
   x = 1,739,567.86