Finding the Third Proportional to 3,838,754 and 8,400,676

Step by Step Solution

1. Step 1: Write the proportion equation
   3,838,754 : 8,400,676 = 8,400,676 : x
2. Step 2: Convert to fraction form
   3,838,754/8,400,676 = 8,400,676/x
3. Step 3: Cross multiply
   3,838,754x = 8,400,676 × 8,400,676
4. Step 4: Simplify right side
   3,838,754x = 70,571,357,256,976
5. Step 5: Solve for x
   x = 70,571,357,256,976/3,838,754
6. Step 6: Final answer
   x = 18,383,922.82