Finding the Third Proportional to 1,397,448 and 2,994,120

Step by Step Solution

1. Step 1: Write the proportion equation
   1,397,448 : 2,994,120 = 2,994,120 : x
2. Step 2: Convert to fraction form
   1,397,448/2,994,120 = 2,994,120/x
3. Step 3: Cross multiply
   1,397,448x = 2,994,120 × 2,994,120
4. Step 4: Simplify right side
   1,397,448x = 8,964,754,574,400
5. Step 5: Solve for x
   x = 8,964,754,574,400/1,397,448
6. Step 6: Final answer
   x = 6,415,089.92