Finding the Third Proportional to 3,734,544 and 8,172,384

Step by Step Solution

1. Step 1: Write the proportion equation
   3,734,544 : 8,172,384 = 8,172,384 : x
2. Step 2: Convert to fraction form
   3,734,544/8,172,384 = 8,172,384/x
3. Step 3: Cross multiply
   3,734,544x = 8,172,384 × 8,172,384
4. Step 4: Simplify right side
   3,734,544x = 66,787,860,243,456
5. Step 5: Solve for x
   x = 66,787,860,243,456/3,734,544
6. Step 6: Final answer
   x = 17,883,805.96