Finding the Third Proportional to 2,216,628 and 4,772,256

Step by Step Solution

1. Step 1: Write the proportion equation
   2,216,628 : 4,772,256 = 4,772,256 : x
2. Step 2: Convert to fraction form
   2,216,628/4,772,256 = 4,772,256/x
3. Step 3: Cross multiply
   2,216,628x = 4,772,256 × 4,772,256
4. Step 4: Simplify right side
   2,216,628x = 22,774,427,329,536
5. Step 5: Solve for x
   x = 22,774,427,329,536/2,216,628
6. Step 6: Final answer
   x = 10,274,356.96