Finding the Third Proportional to 3,994,400 and 8,548,672

Step by Step Solution

1. Step 1: Write the proportion equation
   3,994,400 : 8,548,672 = 8,548,672 : x
2. Step 2: Convert to fraction form
   3,994,400/8,548,672 = 8,548,672/x
3. Step 3: Cross multiply
   3,994,400x = 8,548,672 × 8,548,672
4. Step 4: Simplify right side
   3,994,400x = 73,079,792,963,584
5. Step 5: Solve for x
   x = 73,079,792,963,584/3,994,400
6. Step 6: Final answer
   x = 18,295,562.03