Finding the Third Proportional to 647,225 and 1,408,079

Step by Step Solution

1. Step 1: Write the proportion equation
   647,225 : 1,408,079 = 1,408,079 : x
2. Step 2: Convert to fraction form
   647,225/1,408,079 = 1,408,079/x
3. Step 3: Cross multiply
   647,225x = 1,408,079 × 1,408,079
4. Step 4: Simplify right side
   647,225x = 1,982,686,470,241
5. Step 5: Solve for x
   x = 1,982,686,470,241/647,225
6. Step 6: Final answer
   x = 3,063,365.09