Finding the Third Proportional to 582,256.50 and 1,258,007

Step by Step Solution

1. Step 1: Write the proportion equation
   582,256.50 : 1,258,007 = 1,258,007 : x
2. Step 2: Convert to fraction form
   582,256.50/1,258,007 = 1,258,007/x
3. Step 3: Cross multiply
   582,256.50x = 1,258,007 × 1,258,007
4. Step 4: Simplify right side
   582,256.50x = 1,582,581,612,049
5. Step 5: Solve for x
   x = 1,582,581,612,049/582,256.50
6. Step 6: Final answer
   x = 2,718,014.50