Finding the Third Proportional to 2,822,380 and 4,239,928

Step by Step Solution

1. Step 1: Write the proportion equation
   2,822,380 : 4,239,928 = 4,239,928 : x
2. Step 2: Convert to fraction form
   2,822,380/4,239,928 = 4,239,928/x
3. Step 3: Cross multiply
   2,822,380x = 4,239,928 × 4,239,928
4. Step 4: Simplify right side
   2,822,380x = 17,976,989,445,184
5. Step 5: Solve for x
   x = 17,976,989,445,184/2,822,380
6. Step 6: Final answer
   x = 6,369,443.32