Finding the Third Proportional to 3,751,641,576 and 5,518,339,812

Step by Step Solution

1. Step 1: Write the proportion equation
   3,751,641,576 : 5,518,339,812 = 5,518,339,812 : x
2. Step 2: Convert to fraction form
   3,751,641,576/5,518,339,812 = 5,518,339,812/x
3. Step 3: Cross multiply
   3,751,641,576x = 5,518,339,812 × 5,518,339,812
4. Step 4: Simplify right side
   3,751,641,576x = 30,452,074,280,704,196,608
5. Step 5: Solve for x
   x = 30,452,074,280,704,196,608/3,751,641,576
6. Step 6: Final answer
   x = 8,116,999,895.60