Finding the Third Proportional to 2,170,440 and 3,192,912

Step by Step Solution

1. Step 1: Write the proportion equation
   2,170,440 : 3,192,912 = 3,192,912 : x
2. Step 2: Convert to fraction form
   2,170,440/3,192,912 = 3,192,912/x
3. Step 3: Cross multiply
   2,170,440x = 3,192,912 × 3,192,912
4. Step 4: Simplify right side
   2,170,440x = 10,194,687,039,744
5. Step 5: Solve for x
   x = 10,194,687,039,744/2,170,440
6. Step 6: Final answer
   x = 4,697,060.06