Finding the Third Proportional to 1,006,728 and 2,212,392

Step by Step Solution

1. Step 1: Write the proportion equation
   1,006,728 : 2,212,392 = 2,212,392 : x
2. Step 2: Convert to fraction form
   1,006,728/2,212,392 = 2,212,392/x
3. Step 3: Cross multiply
   1,006,728x = 2,212,392 × 2,212,392
4. Step 4: Simplify right side
   1,006,728x = 4,894,678,361,664
5. Step 5: Solve for x
   x = 4,894,678,361,664/1,006,728
6. Step 6: Final answer
   x = 4,861,967.05