Finding the Third Proportional to 1,645,262 and 3,668,616

Step by Step Solution

1. Step 1: Write the proportion equation
   1,645,262 : 3,668,616 = 3,668,616 : x
2. Step 2: Convert to fraction form
   1,645,262/3,668,616 = 3,668,616/x
3. Step 3: Cross multiply
   1,645,262x = 3,668,616 × 3,668,616
4. Step 4: Simplify right side
   1,645,262x = 13,458,743,355,456
5. Step 5: Solve for x
   x = 13,458,743,355,456/1,645,262
6. Step 6: Final answer
   x = 8,180,304.02