Finding the Third Proportional to 406,620 and 892,008

Step by Step Solution

1. Step 1: Write the proportion equation
   406,620 : 892,008 = 892,008 : x
2. Step 2: Convert to fraction form
   406,620/892,008 = 892,008/x
3. Step 3: Cross multiply
   406,620x = 892,008 × 892,008
4. Step 4: Simplify right side
   406,620x = 795,678,272,064
5. Step 5: Solve for x
   x = 795,678,272,064/406,620
6. Step 6: Final answer
   x = 1,956,810.47