Finding the Third Proportional to 2,005,590 and 4,377,020

Step by Step Solution

1. Step 1: Write the proportion equation
   2,005,590 : 4,377,020 = 4,377,020 : x
2. Step 2: Convert to fraction form
   2,005,590/4,377,020 = 4,377,020/x
3. Step 3: Cross multiply
   2,005,590x = 4,377,020 × 4,377,020
4. Step 4: Simplify right side
   2,005,590x = 19,158,304,080,400
5. Step 5: Solve for x
   x = 19,158,304,080,400/2,005,590
6. Step 6: Final answer
   x = 9,552,452.93