Finding the Third Proportional to 2,216,655 and 4,775,256

Step by Step Solution

1. Step 1: Write the proportion equation
   2,216,655 : 4,775,256 = 4,775,256 : x
2. Step 2: Convert to fraction form
   2,216,655/4,775,256 = 4,775,256/x
3. Step 3: Cross multiply
   2,216,655x = 4,775,256 × 4,775,256
4. Step 4: Simplify right side
   2,216,655x = 22,803,069,865,536
5. Step 5: Solve for x
   x = 22,803,069,865,536/2,216,655
6. Step 6: Final answer
   x = 10,287,153.33