Finding the Third Proportional to 2,163,028 and 5,007,268

Step by Step Solution

1. Step 1: Write the proportion equation
   2,163,028 : 5,007,268 = 5,007,268 : x
2. Step 2: Convert to fraction form
   2,163,028/5,007,268 = 5,007,268/x
3. Step 3: Cross multiply
   2,163,028x = 5,007,268 × 5,007,268
4. Step 4: Simplify right side
   2,163,028x = 25,072,732,823,824
5. Step 5: Solve for x
   x = 25,072,732,823,824/2,163,028
6. Step 6: Final answer
   x = 11,591,497.12