Finding the Third Proportional to 582,259 and 1,258,012

Step by Step Solution

1. Step 1: Write the proportion equation
   582,259 : 1,258,012 = 1,258,012 : x
2. Step 2: Convert to fraction form
   582,259/1,258,012 = 1,258,012/x
3. Step 3: Cross multiply
   582,259x = 1,258,012 × 1,258,012
4. Step 4: Simplify right side
   582,259x = 1,582,594,192,144
5. Step 5: Solve for x
   x = 1,582,594,192,144/582,259
6. Step 6: Final answer
   x = 2,718,024.44