Finding the Third Proportional to 2,183,780 and 4,725,256

Step by Step Solution

1. Step 1: Write the proportion equation
   2,183,780 : 4,725,256 = 4,725,256 : x
2. Step 2: Convert to fraction form
   2,183,780/4,725,256 = 4,725,256/x
3. Step 3: Cross multiply
   2,183,780x = 4,725,256 × 4,725,256
4. Step 4: Simplify right side
   2,183,780x = 22,328,044,265,536
5. Step 5: Solve for x
   x = 22,328,044,265,536/2,183,780
6. Step 6: Final answer
   x = 10,224,493.43