Finding the Third Proportional to 3,699,792,546 and 5,317,900,515

Step by Step Solution

1. Step 1: Write the proportion equation
   3,699,792,546 : 5,317,900,515 = 5,317,900,515 : x
2. Step 2: Convert to fraction form
   3,699,792,546/5,317,900,515 = 5,317,900,515/x
3. Step 3: Cross multiply
   3,699,792,546x = 5,317,900,515 × 5,317,900,515
4. Step 4: Simplify right side
   3,699,792,546x = 28,280,065,887,437,266,944
5. Step 5: Solve for x
   x = 28,280,065,887,437,266,944/3,699,792,546
6. Step 6: Final answer
   x = 7,643,689,622.01