Finding the Third Proportional to 3,686,768 and 7,667,836

Step by Step Solution

1. Step 1: Write the proportion equation
   3,686,768 : 7,667,836 = 7,667,836 : x
2. Step 2: Convert to fraction form
   3,686,768/7,667,836 = 7,667,836/x
3. Step 3: Cross multiply
   3,686,768x = 7,667,836 × 7,667,836
4. Step 4: Simplify right side
   3,686,768x = 58,795,708,922,896
5. Step 5: Solve for x
   x = 58,795,708,922,896/3,686,768
6. Step 6: Final answer
   x = 15,947,764.80