Finding the Third Proportional to 3,231,631,020 and 7,067,922,648

Step by Step Solution

1. Step 1: Write the proportion equation
   3,231,631,020 : 7,067,922,648 = 7,067,922,648 : x
2. Step 2: Convert to fraction form
   3,231,631,020/7,067,922,648 = 7,067,922,648/x
3. Step 3: Cross multiply
   3,231,631,020x = 7,067,922,648 × 7,067,922,648
4. Step 4: Simplify right side
   3,231,631,020x = 49,955,530,558,111,334,400
5. Step 5: Solve for x
   x = 49,955,530,558,111,334,400/3,231,631,020
6. Step 6: Final answer
   x = 15,458,302,711.21