Finding the Third Proportional to 3,451,592 and 5,402,728

Step by Step Solution

1. Step 1: Write the proportion equation
   3,451,592 : 5,402,728 = 5,402,728 : x
2. Step 2: Convert to fraction form
   3,451,592/5,402,728 = 5,402,728/x
3. Step 3: Cross multiply
   3,451,592x = 5,402,728 × 5,402,728
4. Step 4: Simplify right side
   3,451,592x = 29,189,469,841,984
5. Step 5: Solve for x
   x = 29,189,469,841,984/3,451,592
6. Step 6: Final answer
   x = 8,456,813.51