Finding the Third Proportional to 2,864,991 and 4,297,488

Step by Step Solution

1. Step 1: Write the proportion equation
   2,864,991 : 4,297,488 = 4,297,488 : x
2. Step 2: Convert to fraction form
   2,864,991/4,297,488 = 4,297,488/x
3. Step 3: Cross multiply
   2,864,991x = 4,297,488 × 4,297,488
4. Step 4: Simplify right side
   2,864,991x = 18,468,403,110,144
5. Step 5: Solve for x
   x = 18,468,403,110,144/2,864,991
6. Step 6: Final answer
   x = 6,446,234.25