Finding the Third Proportional to 2,131,728 and 4,567,344

Step by Step Solution

1. Step 1: Write the proportion equation
   2,131,728 : 4,567,344 = 4,567,344 : x
2. Step 2: Convert to fraction form
   2,131,728/4,567,344 = 4,567,344/x
3. Step 3: Cross multiply
   2,131,728x = 4,567,344 × 4,567,344
4. Step 4: Simplify right side
   2,131,728x = 20,860,631,214,336
5. Step 5: Solve for x
   x = 20,860,631,214,336/2,131,728
6. Step 6: Final answer
   x = 9,785,784.68