Finding the Third Proportional to 1,808,900 and 3,932,728

Step by Step Solution

1. Step 1: Write the proportion equation
   1,808,900 : 3,932,728 = 3,932,728 : x
2. Step 2: Convert to fraction form
   1,808,900/3,932,728 = 3,932,728/x
3. Step 3: Cross multiply
   1,808,900x = 3,932,728 × 3,932,728
4. Step 4: Simplify right side
   1,808,900x = 15,466,349,521,984
5. Step 5: Solve for x
   x = 15,466,349,521,984/1,808,900
6. Step 6: Final answer
   x = 8,550,140.71