Finding the Third Proportional to 819,992 and 1,801,416

Step by Step Solution

1. Step 1: Write the proportion equation
   819,992 : 1,801,416 = 1,801,416 : x
2. Step 2: Convert to fraction form
   819,992/1,801,416 = 1,801,416/x
3. Step 3: Cross multiply
   819,992x = 1,801,416 × 1,801,416
4. Step 4: Simplify right side
   819,992x = 3,245,099,605,056
5. Step 5: Solve for x
   x = 3,245,099,605,056/819,992
6. Step 6: Final answer
   x = 3,957,477.15