Finding the Third Proportional to 1,328,648 and 2,058,252

Step by Step Solution

1. Step 1: Write the proportion equation
   1,328,648 : 2,058,252 = 2,058,252 : x
2. Step 2: Convert to fraction form
   1,328,648/2,058,252 = 2,058,252/x
3. Step 3: Cross multiply
   1,328,648x = 2,058,252 × 2,058,252
4. Step 4: Simplify right side
   1,328,648x = 4,236,401,295,504
5. Step 5: Solve for x
   x = 4,236,401,295,504/1,328,648
6. Step 6: Final answer
   x = 3,188,505.38