Finding the Third Proportional to 1,615,488 and 3,544,320

Step by Step Solution

1. Step 1: Write the proportion equation
   1,615,488 : 3,544,320 = 3,544,320 : x
2. Step 2: Convert to fraction form
   1,615,488/3,544,320 = 3,544,320/x
3. Step 3: Cross multiply
   1,615,488x = 3,544,320 × 3,544,320
4. Step 4: Simplify right side
   1,615,488x = 12,562,204,262,400
5. Step 5: Solve for x
   x = 12,562,204,262,400/1,615,488
6. Step 6: Final answer
   x = 7,776,104.97