Finding the Third Proportional to 406,843 and 886,012

Step by Step Solution

1. Step 1: Write the proportion equation
   406,843 : 886,012 = 886,012 : x
2. Step 2: Convert to fraction form
   406,843/886,012 = 886,012/x
3. Step 3: Cross multiply
   406,843x = 886,012 × 886,012
4. Step 4: Simplify right side
   406,843x = 785,017,264,144
5. Step 5: Solve for x
   x = 785,017,264,144/406,843
6. Step 6: Final answer
   x = 1,929,533.66