Finding the Third Proportional to 965,240 and 2,120,020

Step by Step Solution

1. Step 1: Write the proportion equation
   965,240 : 2,120,020 = 2,120,020 : x
2. Step 2: Convert to fraction form
   965,240/2,120,020 = 2,120,020/x
3. Step 3: Cross multiply
   965,240x = 2,120,020 × 2,120,020
4. Step 4: Simplify right side
   965,240x = 4,494,484,800,400
5. Step 5: Solve for x
   x = 4,494,484,800,400/965,240
6. Step 6: Final answer
   x = 4,656,339.15