Finding the Third Proportional to 2,216,634 and 4,772,268

Step by Step Solution

1. Step 1: Write the proportion equation
   2,216,634 : 4,772,268 = 4,772,268 : x
2. Step 2: Convert to fraction form
   2,216,634/4,772,268 = 4,772,268/x
3. Step 3: Cross multiply
   2,216,634x = 4,772,268 × 4,772,268
4. Step 4: Simplify right side
   2,216,634x = 22,774,541,863,824
5. Step 5: Solve for x
   x = 22,774,541,863,824/2,216,634
6. Step 6: Final answer
   x = 10,274,380.82