Finding the Third Proportional to 3,898,980 and 8,694,462

Step by Step Solution

1. Step 1: Write the proportion equation
   3,898,980 : 8,694,462 = 8,694,462 : x
2. Step 2: Convert to fraction form
   3,898,980/8,694,462 = 8,694,462/x
3. Step 3: Cross multiply
   3,898,980x = 8,694,462 × 8,694,462
4. Step 4: Simplify right side
   3,898,980x = 75,593,669,469,444
5. Step 5: Solve for x
   x = 75,593,669,469,444/3,898,980
6. Step 6: Final answer
   x = 19,388,062.90