Finding the Third Proportional to 1,377,728 and 2,919,352

Step by Step Solution

1. Step 1: Write the proportion equation
   1,377,728 : 2,919,352 = 2,919,352 : x
2. Step 2: Convert to fraction form
   1,377,728/2,919,352 = 2,919,352/x
3. Step 3: Cross multiply
   1,377,728x = 2,919,352 × 2,919,352
4. Step 4: Simplify right side
   1,377,728x = 8,522,616,099,904
5. Step 5: Solve for x
   x = 8,522,616,099,904/1,377,728
6. Step 6: Final answer
   x = 6,185,993.24