Finding the Third Proportional to 3,686,764 and 7,667,828

Step by Step Solution

1. Step 1: Write the proportion equation
   3,686,764 : 7,667,828 = 7,667,828 : x
2. Step 2: Convert to fraction form
   3,686,764/7,667,828 = 7,667,828/x
3. Step 3: Cross multiply
   3,686,764x = 7,667,828 × 7,667,828
4. Step 4: Simplify right side
   3,686,764x = 58,795,586,237,584
5. Step 5: Solve for x
   x = 58,795,586,237,584/3,686,764
6. Step 6: Final answer
   x = 15,947,748.82