Finding the Third Proportional to 8,487,173,508 and 17,853,874,491

Step by Step Solution

1. Step 1: Write the proportion equation
   8,487,173,508 : 17,853,874,491 = 17,853,874,491 : x
2. Step 2: Convert to fraction form
   8,487,173,508/17,853,874,491 = 17,853,874,491/x
3. Step 3: Cross multiply
   8,487,173,508x = 17,853,874,491 × 17,853,874,491
4. Step 4: Simplify right side
   8,487,173,508x = 318,760,834,340,380,540,928
5. Step 5: Solve for x
   x = 318,760,834,340,380,540,928/8,487,173,508
6. Step 6: Final answer
   x = 37,557,949,538.79