Finding the Third Proportional to 2,109,824 and 4,649,920

Step by Step Solution

1. Step 1: Write the proportion equation
   2,109,824 : 4,649,920 = 4,649,920 : x
2. Step 2: Convert to fraction form
   2,109,824/4,649,920 = 4,649,920/x
3. Step 3: Cross multiply
   2,109,824x = 4,649,920 × 4,649,920
4. Step 4: Simplify right side
   2,109,824x = 21,621,756,006,400
5. Step 5: Solve for x
   x = 21,621,756,006,400/2,109,824
6. Step 6: Final answer
   x = 10,248,132.55