Finding the Third Proportional to 585,992 and 1,279,372

Step by Step Solution

1. Step 1: Write the proportion equation
   585,992 : 1,279,372 = 1,279,372 : x
2. Step 2: Convert to fraction form
   585,992/1,279,372 = 1,279,372/x
3. Step 3: Cross multiply
   585,992x = 1,279,372 × 1,279,372
4. Step 4: Simplify right side
   585,992x = 1,636,792,714,384
5. Step 5: Solve for x
   x = 1,636,792,714,384/585,992
6. Step 6: Final answer
   x = 2,793,199.76