Finding the Third Proportional to 582,406.50 and 854,250

Step by Step Solution

1. Step 1: Write the proportion equation
   582,406.50 : 854,250 = 854,250 : x
2. Step 2: Convert to fraction form
   582,406.50/854,250 = 854,250/x
3. Step 3: Cross multiply
   582,406.50x = 854,250 × 854,250
4. Step 4: Simplify right side
   582,406.50x = 729,743,062,500
5. Step 5: Solve for x
   x = 729,743,062,500/582,406.50
6. Step 6: Final answer
   x = 1,252,978.91