Finding the Third Proportional to 579,964 and 1,277,656

Step by Step Solution

1. Step 1: Write the proportion equation
   579,964 : 1,277,656 = 1,277,656 : x
2. Step 2: Convert to fraction form
   579,964/1,277,656 = 1,277,656/x
3. Step 3: Cross multiply
   579,964x = 1,277,656 × 1,277,656
4. Step 4: Simplify right side
   579,964x = 1,632,404,854,336
5. Step 5: Solve for x
   x = 1,632,404,854,336/579,964
6. Step 6: Final answer
   x = 2,814,665.83