Finding the Third Proportional to 1,377,459 and 2,990,868

Step by Step Solution

1. Step 1: Write the proportion equation
   1,377,459 : 2,990,868 = 2,990,868 : x
2. Step 2: Convert to fraction form
   1,377,459/2,990,868 = 2,990,868/x
3. Step 3: Cross multiply
   1,377,459x = 2,990,868 × 2,990,868
4. Step 4: Simplify right side
   1,377,459x = 8,945,291,393,424
5. Step 5: Solve for x
   x = 8,945,291,393,424/1,377,459
6. Step 6: Final answer
   x = 6,494,052.74