Finding the Third Proportional to 2,686,531,947 and 5,813,116,725

Step by Step Solution

1. Step 1: Write the proportion equation
   2,686,531,947 : 5,813,116,725 = 5,813,116,725 : x
2. Step 2: Convert to fraction form
   2,686,531,947/5,813,116,725 = 5,813,116,725/x
3. Step 3: Cross multiply
   2,686,531,947x = 5,813,116,725 × 5,813,116,725
4. Step 4: Simplify right side
   2,686,531,947x = 33,792,326,058,474,725,376
5. Step 5: Solve for x
   x = 33,792,326,058,474,725,376/2,686,531,947
6. Step 6: Final answer
   x = 12,578,419,585.22