Finding the Third Proportional to 3,977,494,603 and 5,530,388,318

Step by Step Solution

1. Step 1: Write the proportion equation
   3,977,494,603 : 5,530,388,318 = 5,530,388,318 : x
2. Step 2: Convert to fraction form
   3,977,494,603/5,530,388,318 = 5,530,388,318/x
3. Step 3: Cross multiply
   3,977,494,603x = 5,530,388,318 × 5,530,388,318
4. Step 4: Simplify right side
   3,977,494,603x = 30,585,194,947,870,867,456
5. Step 5: Solve for x
   x = 30,585,194,947,870,867,456/3,977,494,603
6. Step 6: Final answer
   x = 7,689,562,903.44