Finding the Third Proportional to 2,780,904 and 4,297,357

Step by Step Solution

1. Step 1: Write the proportion equation
   2,780,904 : 4,297,357 = 4,297,357 : x
2. Step 2: Convert to fraction form
   2,780,904/4,297,357 = 4,297,357/x
3. Step 3: Cross multiply
   2,780,904x = 4,297,357 × 4,297,357
4. Step 4: Simplify right side
   2,780,904x = 18,467,277,185,449
5. Step 5: Solve for x
   x = 18,467,277,185,449/2,780,904
6. Step 6: Final answer
   x = 6,640,746.03