Finding the Third Proportional to 1,228,416 and 2,658,048

Step by Step Solution

1. Step 1: Write the proportion equation
   1,228,416 : 2,658,048 = 2,658,048 : x
2. Step 2: Convert to fraction form
   1,228,416/2,658,048 = 2,658,048/x
3. Step 3: Cross multiply
   1,228,416x = 2,658,048 × 2,658,048
4. Step 4: Simplify right side
   1,228,416x = 7,065,219,170,304
5. Step 5: Solve for x
   x = 7,065,219,170,304/1,228,416
6. Step 6: Final answer
   x = 5,751,487.42