Finding the Third Proportional to 4,172,451 and 8,943,734

Step by Step Solution

1. Step 1: Write the proportion equation
   4,172,451 : 8,943,734 = 8,943,734 : x
2. Step 2: Convert to fraction form
   4,172,451/8,943,734 = 8,943,734/x
3. Step 3: Cross multiply
   4,172,451x = 8,943,734 × 8,943,734
4. Step 4: Simplify right side
   4,172,451x = 79,990,377,862,756
5. Step 5: Solve for x
   x = 79,990,377,862,756/4,172,451
6. Step 6: Final answer
   x = 19,171,076.63