Finding the Third Proportional to 9,943,591,860 and 21,542,236,968

Step by Step Solution

1. Step 1: Write the proportion equation
   9,943,591,860 : 21,542,236,968 = 21,542,236,968 : x
2. Step 2: Convert to fraction form
   9,943,591,860/21,542,236,968 = 21,542,236,968/x
3. Step 3: Cross multiply
   9,943,591,860x = 21,542,236,968 × 21,542,236,968
4. Step 4: Simplify right side
   9,943,591,860x = 464,067,973,585,465,835,520
5. Step 5: Solve for x
   x = 464,067,973,585,465,835,520/9,943,591,860
6. Step 6: Final answer
   x = 46,670,054,455.10