Finding the Third Proportional to 3,642,508 and 5,345,666

Step by Step Solution

1. Step 1: Write the proportion equation
   3,642,508 : 5,345,666 = 5,345,666 : x
2. Step 2: Convert to fraction form
   3,642,508/5,345,666 = 5,345,666/x
3. Step 3: Cross multiply
   3,642,508x = 5,345,666 × 5,345,666
4. Step 4: Simplify right side
   3,642,508x = 28,576,144,983,556
5. Step 5: Solve for x
   x = 28,576,144,983,556/3,642,508
6. Step 6: Final answer
   x = 7,845,183.86