Finding the Third Proportional to 406,108 and 893,216

Step by Step Solution

1. Step 1: Write the proportion equation
   406,108 : 893,216 = 893,216 : x
2. Step 2: Convert to fraction form
   406,108/893,216 = 893,216/x
3. Step 3: Cross multiply
   406,108x = 893,216 × 893,216
4. Step 4: Simplify right side
   406,108x = 797,834,822,656
5. Step 5: Solve for x
   x = 797,834,822,656/406,108
6. Step 6: Final answer
   x = 1,964,587.80