Finding the Third Proportional to 1,668,396 and 3,642,612

Step by Step Solution

1. Step 1: Write the proportion equation
   1,668,396 : 3,642,612 = 3,642,612 : x
2. Step 2: Convert to fraction form
   1,668,396/3,642,612 = 3,642,612/x
3. Step 3: Cross multiply
   1,668,396x = 3,642,612 × 3,642,612
4. Step 4: Simplify right side
   1,668,396x = 13,268,622,182,544
5. Step 5: Solve for x
   x = 13,268,622,182,544/1,668,396
6. Step 6: Final answer
   x = 7,952,921.36