Finding the Third Proportional to 2,028,603 and 3,139,483

Step by Step Solution

1. Step 1: Write the proportion equation
   2,028,603 : 3,139,483 = 3,139,483 : x
2. Step 2: Convert to fraction form
   2,028,603/3,139,483 = 3,139,483/x
3. Step 3: Cross multiply
   2,028,603x = 3,139,483 × 3,139,483
4. Step 4: Simplify right side
   2,028,603x = 9,856,353,507,289
5. Step 5: Solve for x
   x = 9,856,353,507,289/2,028,603
6. Step 6: Final answer
   x = 4,858,690.20