Finding the Third Proportional to 3,686,766 and 7,667,832

Step by Step Solution

1. Step 1: Write the proportion equation
   3,686,766 : 7,667,832 = 7,667,832 : x
2. Step 2: Convert to fraction form
   3,686,766/7,667,832 = 7,667,832/x
3. Step 3: Cross multiply
   3,686,766x = 7,667,832 × 7,667,832
4. Step 4: Simplify right side
   3,686,766x = 58,795,647,580,224
5. Step 5: Solve for x
   x = 58,795,647,580,224/3,686,766
6. Step 6: Final answer
   x = 15,947,756.81