Finding the Third Proportional to 1,668,406 and 3,642,628

Step by Step Solution

1. Step 1: Write the proportion equation
   1,668,406 : 3,642,628 = 3,642,628 : x
2. Step 2: Convert to fraction form
   1,668,406/3,642,628 = 3,642,628/x
3. Step 3: Cross multiply
   1,668,406x = 3,642,628 × 3,642,628
4. Step 4: Simplify right side
   1,668,406x = 13,268,738,746,384
5. Step 5: Solve for x
   x = 13,268,738,746,384/1,668,406
6. Step 6: Final answer
   x = 7,952,943.56