Finding the Third Proportional to 3,892,876 and 8,518,884

Step by Step Solution

1. Step 1: Write the proportion equation
   3,892,876 : 8,518,884 = 8,518,884 : x
2. Step 2: Convert to fraction form
   3,892,876/8,518,884 = 8,518,884/x
3. Step 3: Cross multiply
   3,892,876x = 8,518,884 × 8,518,884
4. Step 4: Simplify right side
   3,892,876x = 72,571,384,605,456
5. Step 5: Solve for x
   x = 72,571,384,605,456/3,892,876
6. Step 6: Final answer
   x = 18,642,100.24