Finding the Third Proportional to 4,172,450 and 8,943,732

Step by Step Solution

1. Step 1: Write the proportion equation
   4,172,450 : 8,943,732 = 8,943,732 : x
2. Step 2: Convert to fraction form
   4,172,450/8,943,732 = 8,943,732/x
3. Step 3: Cross multiply
   4,172,450x = 8,943,732 × 8,943,732
4. Step 4: Simplify right side
   4,172,450x = 79,990,342,087,824
5. Step 5: Solve for x
   x = 79,990,342,087,824/4,172,450
6. Step 6: Final answer
   x = 19,171,072.65