Finding the Third Proportional to 406,406 and 893,256

Step by Step Solution

1. Step 1: Write the proportion equation
   406,406 : 893,256 = 893,256 : x
2. Step 2: Convert to fraction form
   406,406/893,256 = 893,256/x
3. Step 3: Cross multiply
   406,406x = 893,256 × 893,256
4. Step 4: Simplify right side
   406,406x = 797,906,281,536
5. Step 5: Solve for x
   x = 797,906,281,536/406,406
6. Step 6: Final answer
   x = 1,963,323.08