Finding the Third Proportional to 4,019,661 and 8,760,869

Step by Step Solution

1. Step 1: Write the proportion equation
   4,019,661 : 8,760,869 = 8,760,869 : x
2. Step 2: Convert to fraction form
   4,019,661/8,760,869 = 8,760,869/x
3. Step 3: Cross multiply
   4,019,661x = 8,760,869 × 8,760,869
4. Step 4: Simplify right side
   4,019,661x = 76,752,825,635,161
5. Step 5: Solve for x
   x = 76,752,825,635,161/4,019,661
6. Step 6: Final answer
   x = 19,094,352.89