Finding the Third Proportional to 588,456 and 1,259,856

Step by Step Solution

1. Step 1: Write the proportion equation
   588,456 : 1,259,856 = 1,259,856 : x
2. Step 2: Convert to fraction form
   588,456/1,259,856 = 1,259,856/x
3. Step 3: Cross multiply
   588,456x = 1,259,856 × 1,259,856
4. Step 4: Simplify right side
   588,456x = 1,587,237,140,736
5. Step 5: Solve for x
   x = 1,587,237,140,736/588,456
6. Step 6: Final answer
   x = 2,697,291.12