Finding the Third Proportional to 1,039,728 and 2,234,172

Step by Step Solution

1. Step 1: Write the proportion equation
   1,039,728 : 2,234,172 = 2,234,172 : x
2. Step 2: Convert to fraction form
   1,039,728/2,234,172 = 2,234,172/x
3. Step 3: Cross multiply
   1,039,728x = 2,234,172 × 2,234,172
4. Step 4: Simplify right side
   1,039,728x = 4,991,524,525,584
5. Step 5: Solve for x
   x = 4,991,524,525,584/1,039,728
6. Step 6: Final answer
   x = 4,800,798.41