Finding the Third Proportional to 3,647,140 and 7,936,474

Step by Step Solution

1. Step 1: Write the proportion equation
   3,647,140 : 7,936,474 = 7,936,474 : x
2. Step 2: Convert to fraction form
   3,647,140/7,936,474 = 7,936,474/x
3. Step 3: Cross multiply
   3,647,140x = 7,936,474 × 7,936,474
4. Step 4: Simplify right side
   3,647,140x = 62,987,619,552,676
5. Step 5: Solve for x
   x = 62,987,619,552,676/3,647,140
6. Step 6: Final answer
   x = 17,270,414.50