Finding the Third Proportional to 2,373,780,738 and 3,489,562,989

Step by Step Solution

1. Step 1: Write the proportion equation
   2,373,780,738 : 3,489,562,989 = 3,489,562,989 : x
2. Step 2: Convert to fraction form
   2,373,780,738/3,489,562,989 = 3,489,562,989/x
3. Step 3: Cross multiply
   2,373,780,738x = 3,489,562,989 × 3,489,562,989
4. Step 4: Simplify right side
   2,373,780,738x = 12,177,049,854,198,614,016
5. Step 5: Solve for x
   x = 12,177,049,854,198,614,016/2,373,780,738
6. Step 6: Final answer
   x = 5,129,812,395.59