Finding the Third Proportional to 3,647,257 and 5,721,266

Step by Step Solution

1. Step 1: Write the proportion equation
   3,647,257 : 5,721,266 = 5,721,266 : x
2. Step 2: Convert to fraction form
   3,647,257/5,721,266 = 5,721,266/x
3. Step 3: Cross multiply
   3,647,257x = 5,721,266 × 5,721,266
4. Step 4: Simplify right side
   3,647,257x = 32,732,884,642,756
5. Step 5: Solve for x
   x = 32,732,884,642,756/3,647,257
6. Step 6: Final answer
   x = 8,974,658.12