Finding the Third Proportional to 2,028,488 and 4,395,230

Step by Step Solution

1. Step 1: Write the proportion equation
   2,028,488 : 4,395,230 = 4,395,230 : x
2. Step 2: Convert to fraction form
   2,028,488/4,395,230 = 4,395,230/x
3. Step 3: Cross multiply
   2,028,488x = 4,395,230 × 4,395,230
4. Step 4: Simplify right side
   2,028,488x = 19,318,046,752,900
5. Step 5: Solve for x
   x = 19,318,046,752,900/2,028,488
6. Step 6: Final answer
   x = 9,523,372.46