Finding the Third Proportional to 2,681,667 and 5,864,661

Step by Step Solution

1. Step 1: Write the proportion equation
   2,681,667 : 5,864,661 = 5,864,661 : x
2. Step 2: Convert to fraction form
   2,681,667/5,864,661 = 5,864,661/x
3. Step 3: Cross multiply
   2,681,667x = 5,864,661 × 5,864,661
4. Step 4: Simplify right side
   2,681,667x = 34,394,248,644,921
5. Step 5: Solve for x
   x = 34,394,248,644,921/2,681,667
6. Step 6: Final answer
   x = 12,825,697.09