Finding the Third Proportional to 1,397,452 and 2,994,128

Step by Step Solution

1. Step 1: Write the proportion equation
   1,397,452 : 2,994,128 = 2,994,128 : x
2. Step 2: Convert to fraction form
   1,397,452/2,994,128 = 2,994,128/x
3. Step 3: Cross multiply
   1,397,452x = 2,994,128 × 2,994,128
4. Step 4: Simplify right side
   1,397,452x = 8,964,802,480,384
5. Step 5: Solve for x
   x = 8,964,802,480,384/1,397,452
6. Step 6: Final answer
   x = 6,415,105.84