Finding the Third Proportional to 1,668,398 and 3,642,616

Step by Step Solution

1. Step 1: Write the proportion equation
   1,668,398 : 3,642,616 = 3,642,616 : x
2. Step 2: Convert to fraction form
   1,668,398/3,642,616 = 3,642,616/x
3. Step 3: Cross multiply
   1,668,398x = 3,642,616 × 3,642,616
4. Step 4: Simplify right side
   1,668,398x = 13,268,651,323,456
5. Step 5: Solve for x
   x = 13,268,651,323,456/1,668,398
6. Step 6: Final answer
   x = 7,952,929.29