Finding the Third Proportional to 2,988,290 and 4,485,495

Step by Step Solution

1. Step 1: Write the proportion equation
   2,988,290 : 4,485,495 = 4,485,495 : x
2. Step 2: Convert to fraction form
   2,988,290/4,485,495 = 4,485,495/x
3. Step 3: Cross multiply
   2,988,290x = 4,485,495 × 4,485,495
4. Step 4: Simplify right side
   2,988,290x = 20,119,665,395,025
5. Step 5: Solve for x
   x = 20,119,665,395,025/2,988,290
6. Step 6: Final answer
   x = 6,732,835.63