Finding the Third Proportional to 1,338,689 and 2,943,099

Step by Step Solution

1. Step 1: Write the proportion equation
   1,338,689 : 2,943,099 = 2,943,099 : x
2. Step 2: Convert to fraction form
   1,338,689/2,943,099 = 2,943,099/x
3. Step 3: Cross multiply
   1,338,689x = 2,943,099 × 2,943,099
4. Step 4: Simplify right side
   1,338,689x = 8,661,831,723,801
5. Step 5: Solve for x
   x = 8,661,831,723,801/1,338,689
6. Step 6: Final answer
   x = 6,470,383.88