Finding the Third Proportional to 3,898,988 and 8,694,474

Step by Step Solution

1. Step 1: Write the proportion equation
   3,898,988 : 8,694,474 = 8,694,474 : x
2. Step 2: Convert to fraction form
   3,898,988/8,694,474 = 8,694,474/x
3. Step 3: Cross multiply
   3,898,988x = 8,694,474 × 8,694,474
4. Step 4: Simplify right side
   3,898,988x = 75,593,878,136,676
5. Step 5: Solve for x
   x = 75,593,878,136,676/3,898,988
6. Step 6: Final answer
   x = 19,388,076.63