Finding the Third Proportional to 2,990,108 and 4,484,240

Step by Step Solution

1. Step 1: Write the proportion equation
   2,990,108 : 4,484,240 = 4,484,240 : x
2. Step 2: Convert to fraction form
   2,990,108/4,484,240 = 4,484,240/x
3. Step 3: Cross multiply
   2,990,108x = 4,484,240 × 4,484,240
4. Step 4: Simplify right side
   2,990,108x = 20,108,408,377,600
5. Step 5: Solve for x
   x = 20,108,408,377,600/2,990,108
6. Step 6: Final answer
   x = 6,724,977.28