Finding the Third Proportional to 1,002,290 and 2,185,474

Step by Step Solution

1. Step 1: Write the proportion equation
   1,002,290 : 2,185,474 = 2,185,474 : x
2. Step 2: Convert to fraction form
   1,002,290/2,185,474 = 2,185,474/x
3. Step 3: Cross multiply
   1,002,290x = 2,185,474 × 2,185,474
4. Step 4: Simplify right side
   1,002,290x = 4,776,296,604,676
5. Step 5: Solve for x
   x = 4,776,296,604,676/1,002,290
6. Step 6: Final answer
   x = 4,765,383.88