Finding the Third Proportional to 649,874 and 1,425,288

Step by Step Solution

1. Step 1: Write the proportion equation
   649,874 : 1,425,288 = 1,425,288 : x
2. Step 2: Convert to fraction form
   649,874/1,425,288 = 1,425,288/x
3. Step 3: Cross multiply
   649,874x = 1,425,288 × 1,425,288
4. Step 4: Simplify right side
   649,874x = 2,031,445,882,944
5. Step 5: Solve for x
   x = 2,031,445,882,944/649,874
6. Step 6: Final answer
   x = 3,125,907.30