Finding the Third Proportional to 1,662,193 and 3,639,670

Step by Step Solution

1. Step 1: Write the proportion equation
   1,662,193 : 3,639,670 = 3,639,670 : x
2. Step 2: Convert to fraction form
   1,662,193/3,639,670 = 3,639,670/x
3. Step 3: Cross multiply
   1,662,193x = 3,639,670 × 3,639,670
4. Step 4: Simplify right side
   1,662,193x = 13,247,197,708,900
5. Step 5: Solve for x
   x = 13,247,197,708,900/1,662,193
6. Step 6: Final answer
   x = 7,969,710.92