Finding the Third Proportional to 1,662,192 and 3,639,668

Step by Step Solution

1. Step 1: Write the proportion equation
   1,662,192 : 3,639,668 = 3,639,668 : x
2. Step 2: Convert to fraction form
   1,662,192/3,639,668 = 3,639,668/x
3. Step 3: Cross multiply
   1,662,192x = 3,639,668 × 3,639,668
4. Step 4: Simplify right side
   1,662,192x = 13,247,183,150,224
5. Step 5: Solve for x
   x = 13,247,183,150,224/1,662,192
6. Step 6: Final answer
   x = 7,969,706.96