Finding the Third Proportional to 2,686,531,954 and 5,813,116,742

Step by Step Solution

1. Step 1: Write the proportion equation
   2,686,531,954 : 5,813,116,742 = 5,813,116,742 : x
2. Step 2: Convert to fraction form
   2,686,531,954/5,813,116,742 = 5,813,116,742/x
3. Step 3: Cross multiply
   2,686,531,954x = 5,813,116,742 × 5,813,116,742
4. Step 4: Simplify right side
   2,686,531,954x = 33,792,326,256,120,692,736
5. Step 5: Solve for x
   x = 33,792,326,256,120,692,736/2,686,531,954
6. Step 6: Final answer
   x = 12,578,419,626.02