Finding the Third Proportional to 2,058,660 and 4,536,144

Step by Step Solution

1. Step 1: Write the proportion equation
   2,058,660 : 4,536,144 = 4,536,144 : x
2. Step 2: Convert to fraction form
   2,058,660/4,536,144 = 4,536,144/x
3. Step 3: Cross multiply
   2,058,660x = 4,536,144 × 4,536,144
4. Step 4: Simplify right side
   2,058,660x = 20,576,602,388,736
5. Step 5: Solve for x
   x = 20,576,602,388,736/2,058,660
6. Step 6: Final answer
   x = 9,995,143.63