Finding the Third Proportional to 2,557,989,914 and 5,566,410,130

Step by Step Solution

1. Step 1: Write the proportion equation
   2,557,989,914 : 5,566,410,130 = 5,566,410,130 : x
2. Step 2: Convert to fraction form
   2,557,989,914/5,566,410,130 = 5,566,410,130/x
3. Step 3: Cross multiply
   2,557,989,914x = 5,566,410,130 × 5,566,410,130
4. Step 4: Simplify right side
   2,557,989,914x = 30,984,921,735,366,615,040
5. Step 5: Solve for x
   x = 30,984,921,735,366,615,040/2,557,989,914
6. Step 6: Final answer
   x = 12,112,996,054.36