Finding the Third Proportional to 582,832 and 1,280,000

Step by Step Solution

1. Step 1: Write the proportion equation
   582,832 : 1,280,000 = 1,280,000 : x
2. Step 2: Convert to fraction form
   582,832/1,280,000 = 1,280,000/x
3. Step 3: Cross multiply
   582,832x = 1,280,000 × 1,280,000
4. Step 4: Simplify right side
   582,832x = 1,638,400,000,000
5. Step 5: Solve for x
   x = 1,638,400,000,000/582,832
6. Step 6: Final answer
   x = 2,811,101.66