Finding the Third Proportional to 965,090 and 2,120,530

Step by Step Solution

1. Step 1: Write the proportion equation
   965,090 : 2,120,530 = 2,120,530 : x
2. Step 2: Convert to fraction form
   965,090/2,120,530 = 2,120,530/x
3. Step 3: Cross multiply
   965,090x = 2,120,530 × 2,120,530
4. Step 4: Simplify right side
   965,090x = 4,496,647,480,900
5. Step 5: Solve for x
   x = 4,496,647,480,900/965,090
6. Step 6: Final answer
   x = 4,659,303.78