Finding the Third Proportional to 2,145,744 and 4,660,545

Step by Step Solution

1. Step 1: Write the proportion equation
   2,145,744 : 4,660,545 = 4,660,545 : x
2. Step 2: Convert to fraction form
   2,145,744/4,660,545 = 4,660,545/x
3. Step 3: Cross multiply
   2,145,744x = 4,660,545 × 4,660,545
4. Step 4: Simplify right side
   2,145,744x = 21,720,679,697,025
5. Step 5: Solve for x
   x = 21,720,679,697,025/2,145,744
6. Step 6: Final answer
   x = 10,122,679.92