Finding the Third Proportional to 1,039,488 and 2,239,392

Step by Step Solution

1. Step 1: Write the proportion equation
   1,039,488 : 2,239,392 = 2,239,392 : x
2. Step 2: Convert to fraction form
   1,039,488/2,239,392 = 2,239,392/x
3. Step 3: Cross multiply
   1,039,488x = 2,239,392 × 2,239,392
4. Step 4: Simplify right side
   1,039,488x = 5,014,876,529,664
5. Step 5: Solve for x
   x = 5,014,876,529,664/1,039,488
6. Step 6: Final answer
   x = 4,824,371.74