Finding the Third Proportional to 1,397,420 and 2,994,064

Step by Step Solution

1. Step 1: Write the proportion equation
   1,397,420 : 2,994,064 = 2,994,064 : x
2. Step 2: Convert to fraction form
   1,397,420/2,994,064 = 2,994,064/x
3. Step 3: Cross multiply
   1,397,420x = 2,994,064 × 2,994,064
4. Step 4: Simplify right side
   1,397,420x = 8,964,419,236,096
5. Step 5: Solve for x
   x = 8,964,419,236,096/1,397,420
6. Step 6: Final answer
   x = 6,414,978.49