Finding the Third Proportional to 406,008 and 855,792

Step by Step Solution

1. Step 1: Write the proportion equation
   406,008 : 855,792 = 855,792 : x
2. Step 2: Convert to fraction form
   406,008/855,792 = 855,792/x
3. Step 3: Cross multiply
   406,008x = 855,792 × 855,792
4. Step 4: Simplify right side
   406,008x = 732,379,947,264
5. Step 5: Solve for x
   x = 732,379,947,264/406,008
6. Step 6: Final answer
   x = 1,803,855.95