Finding the Third Proportional to 2,182,874 and 4,591,972

Step by Step Solution

1. Step 1: Write the proportion equation
   2,182,874 : 4,591,972 = 4,591,972 : x
2. Step 2: Convert to fraction form
   2,182,874/4,591,972 = 4,591,972/x
3. Step 3: Cross multiply
   2,182,874x = 4,591,972 × 4,591,972
4. Step 4: Simplify right side
   2,182,874x = 21,086,206,848,784
5. Step 5: Solve for x
   x = 21,086,206,848,784/2,182,874
6. Step 6: Final answer
   x = 9,659,836.92