Finding the Third Proportional to 4,945,451 and 10,544,128

Step by Step Solution

1. Step 1: Write the proportion equation
   4,945,451 : 10,544,128 = 10,544,128 : x
2. Step 2: Convert to fraction form
   4,945,451/10,544,128 = 10,544,128/x
3. Step 3: Cross multiply
   4,945,451x = 10,544,128 × 10,544,128
4. Step 4: Simplify right side
   4,945,451x = 111,178,635,280,384
5. Step 5: Solve for x
   x = 111,178,635,280,384/4,945,451
6. Step 6: Final answer
   x = 22,480,990.16