Finding the Third Proportional to 1,668,384 and 3,642,720

Step by Step Solution

1. Step 1: Write the proportion equation
   1,668,384 : 3,642,720 = 3,642,720 : x
2. Step 2: Convert to fraction form
   1,668,384/3,642,720 = 3,642,720/x
3. Step 3: Cross multiply
   1,668,384x = 3,642,720 × 3,642,720
4. Step 4: Simplify right side
   1,668,384x = 13,269,408,998,400
5. Step 5: Solve for x
   x = 13,269,408,998,400/1,668,384
6. Step 6: Final answer
   x = 7,953,450.16