Finding the Third Proportional to 3,544,448 and 7,775,128

Step by Step Solution

1. Step 1: Write the proportion equation
   3,544,448 : 7,775,128 = 7,775,128 : x
2. Step 2: Convert to fraction form
   3,544,448/7,775,128 = 7,775,128/x
3. Step 3: Cross multiply
   3,544,448x = 7,775,128 × 7,775,128
4. Step 4: Simplify right side
   3,544,448x = 60,452,615,416,384
5. Step 5: Solve for x
   x = 60,452,615,416,384/3,544,448
6. Step 6: Final answer
   x = 17,055,579.72