Finding the Third Proportional to 401,300 and 835,816

Step by Step Solution

1. Step 1: Write the proportion equation
   401,300 : 835,816 = 835,816 : x
2. Step 2: Convert to fraction form
   401,300/835,816 = 835,816/x
3. Step 3: Cross multiply
   401,300x = 835,816 × 835,816
4. Step 4: Simplify right side
   401,300x = 698,588,385,856
5. Step 5: Solve for x
   x = 698,588,385,856/401,300
6. Step 6: Final answer
   x = 1,740,813.32