Finding the Third Proportional to 3,989,040,112 and 5,961,233,976

Step by Step Solution

1. Step 1: Write the proportion equation
   3,989,040,112 : 5,961,233,976 = 5,961,233,976 : x
2. Step 2: Convert to fraction form
   3,989,040,112/5,961,233,976 = 5,961,233,976/x
3. Step 3: Cross multiply
   3,989,040,112x = 5,961,233,976 × 5,961,233,976
4. Step 4: Simplify right side
   3,989,040,112x = 35,536,310,516,616,769,536
5. Step 5: Solve for x
   x = 35,536,310,516,616,769,536/3,989,040,112
6. Step 6: Final answer
   x = 8,908,486,633.09