Finding the Third Proportional to 2,131,482 and 4,460,020

Step by Step Solution

1. Step 1: Write the proportion equation
   2,131,482 : 4,460,020 = 4,460,020 : x
2. Step 2: Convert to fraction form
   2,131,482/4,460,020 = 4,460,020/x
3. Step 3: Cross multiply
   2,131,482x = 4,460,020 × 4,460,020
4. Step 4: Simplify right side
   2,131,482x = 19,891,778,400,400
5. Step 5: Solve for x
   x = 19,891,778,400,400/2,131,482
6. Step 6: Final answer
   x = 9,332,369.87