Finding the Third Proportional to 2,129,522 and 3,216,459

Step by Step Solution

1. Step 1: Write the proportion equation
   2,129,522 : 3,216,459 = 3,216,459 : x
2. Step 2: Convert to fraction form
   2,129,522/3,216,459 = 3,216,459/x
3. Step 3: Cross multiply
   2,129,522x = 3,216,459 × 3,216,459
4. Step 4: Simplify right side
   2,129,522x = 10,345,608,498,681
5. Step 5: Solve for x
   x = 10,345,608,498,681/2,129,522
6. Step 6: Final answer
   x = 4,858,183.43