Finding the Third Proportional to 2,142,728 and 3,241,740

Step by Step Solution

1. Step 1: Write the proportion equation
   2,142,728 : 3,241,740 = 3,241,740 : x
2. Step 2: Convert to fraction form
   2,142,728/3,241,740 = 3,241,740/x
3. Step 3: Cross multiply
   2,142,728x = 3,241,740 × 3,241,740
4. Step 4: Simplify right side
   2,142,728x = 10,508,878,227,600
5. Step 5: Solve for x
   x = 10,508,878,227,600/2,142,728
6. Step 6: Final answer
   x = 4,904,438.75