Finding the Third Proportional to 2,141,743 and 4,656,728

Step by Step Solution

1. Step 1: Write the proportion equation
   2,141,743 : 4,656,728 = 4,656,728 : x
2. Step 2: Convert to fraction form
   2,141,743/4,656,728 = 4,656,728/x
3. Step 3: Cross multiply
   2,141,743x = 4,656,728 × 4,656,728
4. Step 4: Simplify right side
   2,141,743x = 21,685,115,665,984
5. Step 5: Solve for x
   x = 21,685,115,665,984/2,141,743
6. Step 6: Final answer
   x = 10,124,984.96