Finding the Third Proportional to 512,544 and 1,121,628

Step by Step Solution

1. Step 1: Write the proportion equation
   512,544 : 1,121,628 = 1,121,628 : x
2. Step 2: Convert to fraction form
   512,544/1,121,628 = 1,121,628/x
3. Step 3: Cross multiply
   512,544x = 1,121,628 × 1,121,628
4. Step 4: Simplify right side
   512,544x = 1,258,049,370,384
5. Step 5: Solve for x
   x = 1,258,049,370,384/512,544
6. Step 6: Final answer
   x = 2,454,519.75