Finding the Third Proportional to 1,425,870 and 3,170,520

Step by Step Solution

1. Step 1: Write the proportion equation
   1,425,870 : 3,170,520 = 3,170,520 : x
2. Step 2: Convert to fraction form
   1,425,870/3,170,520 = 3,170,520/x
3. Step 3: Cross multiply
   1,425,870x = 3,170,520 × 3,170,520
4. Step 4: Simplify right side
   1,425,870x = 10,052,197,070,400
5. Step 5: Solve for x
   x = 10,052,197,070,400/1,425,870
6. Step 6: Final answer
   x = 7,049,869.25