Finding the Third Proportional to 2,150,538,990 and 3,379,149,261

Step by Step Solution

1. Step 1: Write the proportion equation
   2,150,538,990 : 3,379,149,261 = 3,379,149,261 : x
2. Step 2: Convert to fraction form
   2,150,538,990/3,379,149,261 = 3,379,149,261/x
3. Step 3: Cross multiply
   2,150,538,990x = 3,379,149,261 × 3,379,149,261
4. Step 4: Simplify right side
   2,150,538,990x = 11,418,649,728,116,846,592
5. Step 5: Solve for x
   x = 11,418,649,728,116,846,592/2,150,538,990
6. Step 6: Final answer
   x = 5,309,668,776.62