Finding the Third Proportional to 3,814,862 and 8,351,434

Step by Step Solution

1. Step 1: Write the proportion equation
   3,814,862 : 8,351,434 = 8,351,434 : x
2. Step 2: Convert to fraction form
   3,814,862/8,351,434 = 8,351,434/x
3. Step 3: Cross multiply
   3,814,862x = 8,351,434 × 8,351,434
4. Step 4: Simplify right side
   3,814,862x = 69,746,449,856,356
5. Step 5: Solve for x
   x = 69,746,449,856,356/3,814,862
6. Step 6: Final answer
   x = 18,282,823.82