Finding the Third Proportional to 2,272,608 and 4,972,860

Step by Step Solution

1. Step 1: Write the proportion equation
   2,272,608 : 4,972,860 = 4,972,860 : x
2. Step 2: Convert to fraction form
   2,272,608/4,972,860 = 4,972,860/x
3. Step 3: Cross multiply
   2,272,608x = 4,972,860 × 4,972,860
4. Step 4: Simplify right side
   2,272,608x = 24,729,336,579,600
5. Step 5: Solve for x
   x = 24,729,336,579,600/2,272,608
6. Step 6: Final answer
   x = 10,881,479.16