Finding the Third Proportional to 3,485,667 and 5,280,665

Step by Step Solution

1. Step 1: Write the proportion equation
   3,485,667 : 5,280,665 = 5,280,665 : x
2. Step 2: Convert to fraction form
   3,485,667/5,280,665 = 5,280,665/x
3. Step 3: Cross multiply
   3,485,667x = 5,280,665 × 5,280,665
4. Step 4: Simplify right side
   3,485,667x = 27,885,422,842,225
5. Step 5: Solve for x
   x = 27,885,422,842,225/3,485,667
6. Step 6: Final answer
   x = 8,000,024.91