Finding the Third Proportional to 562,628 and 1,206,540

Step by Step Solution

1. Step 1: Write the proportion equation
   562,628 : 1,206,540 = 1,206,540 : x
2. Step 2: Convert to fraction form
   562,628/1,206,540 = 1,206,540/x
3. Step 3: Cross multiply
   562,628x = 1,206,540 × 1,206,540
4. Step 4: Simplify right side
   562,628x = 1,455,738,771,600
5. Step 5: Solve for x
   x = 1,455,738,771,600/562,628
6. Step 6: Final answer
   x = 2,587,391.26