Finding the Third Proportional to 2,172,708 and 3,192,471

Step by Step Solution

1. Step 1: Write the proportion equation
   2,172,708 : 3,192,471 = 3,192,471 : x
2. Step 2: Convert to fraction form
   2,172,708/3,192,471 = 3,192,471/x
3. Step 3: Cross multiply
   2,172,708x = 3,192,471 × 3,192,471
4. Step 4: Simplify right side
   2,172,708x = 10,191,871,085,841
5. Step 5: Solve for x
   x = 10,191,871,085,841/2,172,708
6. Step 6: Final answer
   x = 4,690,860.94