Finding the Third Proportional to 1,518,666 and 3,208,089

Step by Step Solution

1. Step 1: Write the proportion equation
   1,518,666 : 3,208,089 = 3,208,089 : x
2. Step 2: Convert to fraction form
   1,518,666/3,208,089 = 3,208,089/x
3. Step 3: Cross multiply
   1,518,666x = 3,208,089 × 3,208,089
4. Step 4: Simplify right side
   1,518,666x = 10,291,835,031,921
5. Step 5: Solve for x
   x = 10,291,835,031,921/1,518,666
6. Step 6: Final answer
   x = 6,776,891.71