Finding the Third Proportional to 3,814,857 and 8,351,424

Step by Step Solution

1. Step 1: Write the proportion equation
   3,814,857 : 8,351,424 = 8,351,424 : x
2. Step 2: Convert to fraction form
   3,814,857/8,351,424 = 8,351,424/x
3. Step 3: Cross multiply
   3,814,857x = 8,351,424 × 8,351,424
4. Step 4: Simplify right side
   3,814,857x = 69,746,282,827,776
5. Step 5: Solve for x
   x = 69,746,282,827,776/3,814,857
6. Step 6: Final answer
   x = 18,282,804.00