Finding the Third Proportional to 1,942,284 and 4,270,020

Step by Step Solution

1. Step 1: Write the proportion equation
   1,942,284 : 4,270,020 = 4,270,020 : x
2. Step 2: Convert to fraction form
   1,942,284/4,270,020 = 4,270,020/x
3. Step 3: Cross multiply
   1,942,284x = 4,270,020 × 4,270,020
4. Step 4: Simplify right side
   1,942,284x = 18,233,070,800,400
5. Step 5: Solve for x
   x = 18,233,070,800,400/1,942,284
6. Step 6: Final answer
   x = 9,387,438.09