Finding the Third Proportional to 2,171,648 and 4,728,832

Step by Step Solution

1. Step 1: Write the proportion equation
   2,171,648 : 4,728,832 = 4,728,832 : x
2. Step 2: Convert to fraction form
   2,171,648/4,728,832 = 4,728,832/x
3. Step 3: Cross multiply
   2,171,648x = 4,728,832 × 4,728,832
4. Step 4: Simplify right side
   2,171,648x = 22,361,852,084,224
5. Step 5: Solve for x
   x = 22,361,852,084,224/2,171,648
6. Step 6: Final answer
   x = 10,297,180.80