Finding the Third Proportional to 3,814,860 and 8,351,430

Step by Step Solution

1. Step 1: Write the proportion equation
   3,814,860 : 8,351,430 = 8,351,430 : x
2. Step 2: Convert to fraction form
   3,814,860/8,351,430 = 8,351,430/x
3. Step 3: Cross multiply
   3,814,860x = 8,351,430 × 8,351,430
4. Step 4: Simplify right side
   3,814,860x = 69,746,383,044,900
5. Step 5: Solve for x
   x = 69,746,383,044,900/3,814,860
6. Step 6: Final answer
   x = 18,282,815.89