Finding the Third Proportional to 3,838,518 and 8,149,356

Step by Step Solution

1. Step 1: Write the proportion equation
   3,838,518 : 8,149,356 = 8,149,356 : x
2. Step 2: Convert to fraction form
   3,838,518/8,149,356 = 8,149,356/x
3. Step 3: Cross multiply
   3,838,518x = 8,149,356 × 8,149,356
4. Step 4: Simplify right side
   3,838,518x = 66,412,003,214,736
5. Step 5: Solve for x
   x = 66,412,003,214,736/3,838,518
6. Step 6: Final answer
   x = 17,301,469.79