Finding the Third Proportional to 1,425,868 and 3,170,540

Step by Step Solution

1. Step 1: Write the proportion equation
   1,425,868 : 3,170,540 = 3,170,540 : x
2. Step 2: Convert to fraction form
   1,425,868/3,170,540 = 3,170,540/x
3. Step 3: Cross multiply
   1,425,868x = 3,170,540 × 3,170,540
4. Step 4: Simplify right side
   1,425,868x = 10,052,323,891,600
5. Step 5: Solve for x
   x = 10,052,323,891,600/1,425,868
6. Step 6: Final answer
   x = 7,049,968.08