Finding the Third Proportional to 3,579,606,426 and 7,261,280,895

Step by Step Solution

1. Step 1: Write the proportion equation
   3,579,606,426 : 7,261,280,895 = 7,261,280,895 : x
2. Step 2: Convert to fraction form
   3,579,606,426/7,261,280,895 = 7,261,280,895/x
3. Step 3: Cross multiply
   3,579,606,426x = 7,261,280,895 × 7,261,280,895
4. Step 4: Simplify right side
   3,579,606,426x = 52,726,200,236,091,998,208
5. Step 5: Solve for x
   x = 52,726,200,236,091,998,208/3,579,606,426
6. Step 6: Final answer
   x = 14,729,608,219.81