Finding the Third Proportional to 1,661,686 and 3,614,972

Step by Step Solution

1. Step 1: Write the proportion equation
   1,661,686 : 3,614,972 = 3,614,972 : x
2. Step 2: Convert to fraction form
   1,661,686/3,614,972 = 3,614,972/x
3. Step 3: Cross multiply
   1,661,686x = 3,614,972 × 3,614,972
4. Step 4: Simplify right side
   1,661,686x = 13,068,022,560,784
5. Step 5: Solve for x
   x = 13,068,022,560,784/1,661,686
6. Step 6: Final answer
   x = 7,864,315.26