Finding the Third Proportional to 1,425,878 and 3,170,536

Step by Step Solution

1. Step 1: Write the proportion equation
   1,425,878 : 3,170,536 = 3,170,536 : x
2. Step 2: Convert to fraction form
   1,425,878/3,170,536 = 3,170,536/x
3. Step 3: Cross multiply
   1,425,878x = 3,170,536 × 3,170,536
4. Step 4: Simplify right side
   1,425,878x = 10,052,298,527,296
5. Step 5: Solve for x
   x = 10,052,298,527,296/1,425,878
6. Step 6: Final answer
   x = 7,049,900.85