Finding the Third Proportional to 2,220,682 and 4,615,824

Step by Step Solution

1. Step 1: Write the proportion equation
   2,220,682 : 4,615,824 = 4,615,824 : x
2. Step 2: Convert to fraction form
   2,220,682/4,615,824 = 4,615,824/x
3. Step 3: Cross multiply
   2,220,682x = 4,615,824 × 4,615,824
4. Step 4: Simplify right side
   2,220,682x = 21,305,831,198,976
5. Step 5: Solve for x
   x = 21,305,831,198,976/2,220,682
6. Step 6: Final answer
   x = 9,594,273.83