Finding the Third Proportional to 582,456 and 1,279,116

Step by Step Solution

1. Step 1: Write the proportion equation
   582,456 : 1,279,116 = 1,279,116 : x
2. Step 2: Convert to fraction form
   582,456/1,279,116 = 1,279,116/x
3. Step 3: Cross multiply
   582,456x = 1,279,116 × 1,279,116
4. Step 4: Simplify right side
   582,456x = 1,636,137,741,456
5. Step 5: Solve for x
   x = 1,636,137,741,456/582,456
6. Step 6: Final answer
   x = 2,809,032.34