Finding the Third Proportional to 3,686,800 and 7,667,888

Step by Step Solution

1. Step 1: Write the proportion equation
   3,686,800 : 7,667,888 = 7,667,888 : x
2. Step 2: Convert to fraction form
   3,686,800/7,667,888 = 7,667,888/x
3. Step 3: Cross multiply
   3,686,800x = 7,667,888 × 7,667,888
4. Step 4: Simplify right side
   3,686,800x = 58,796,506,380,544
5. Step 5: Solve for x
   x = 58,796,506,380,544/3,686,800
6. Step 6: Final answer
   x = 15,947,842.68