Finding the Third Proportional to 4,647,786 and 7,105,449

Step by Step Solution

1. Step 1: Write the proportion equation
   4,647,786 : 7,105,449 = 7,105,449 : x
2. Step 2: Convert to fraction form
   4,647,786/7,105,449 = 7,105,449/x
3. Step 3: Cross multiply
   4,647,786x = 7,105,449 × 7,105,449
4. Step 4: Simplify right side
   4,647,786x = 50,487,405,491,601
5. Step 5: Solve for x
   x = 50,487,405,491,601/4,647,786
6. Step 6: Final answer
   x = 10,862,678.59