Finding the Third Proportional to 3,643,858,722,395 and 7,589,317,487,891

Step by Step Solution

1. Step 1: Write the proportion equation
   3,643,858,722,395 : 7,589,317,487,891 = 7,589,317,487,891 : x
2. Step 2: Convert to fraction form
   3,643,858,722,395/7,589,317,487,891 = 7,589,317,487,891/x
3. Step 3: Cross multiply
   3,643,858,722,395x = 7,589,317,487,891 × 7,589,317,487,891
4. Step 4: Simplify right side
   3,643,858,722,395x = 57,597,739,932,008,155,665,399,808
5. Step 5: Solve for x
   x = 57,597,739,932,008,155,665,399,808/3,643,858,722,395
6. Step 6: Final answer
   x = 15,806,798,320,147.52