Finding the Third Proportional to 9,943,591,864 and 21,542,236,976

Step by Step Solution

1. Step 1: Write the proportion equation
   9,943,591,864 : 21,542,236,976 = 21,542,236,976 : x
2. Step 2: Convert to fraction form
   9,943,591,864/21,542,236,976 = 21,542,236,976/x
3. Step 3: Cross multiply
   9,943,591,864x = 21,542,236,976 × 21,542,236,976
4. Step 4: Simplify right side
   9,943,591,864x = 464,067,973,930,141,614,080
5. Step 5: Solve for x
   x = 464,067,973,930,141,614,080/9,943,591,864
6. Step 6: Final answer
   x = 46,670,054,470.99