Finding the Third Proportional to 582,049.69 and 869,489.72

Step by Step Solution

1. Step 1: Write the proportion equation
   582,049.69 : 869,489.72 = 869,489.72 : x
2. Step 2: Convert to fraction form
   582,049.69/869,489.72 = 869,489.72/x
3. Step 3: Cross multiply
   582,049.69x = 869,489.72 × 869,489.72
4. Step 4: Simplify right side
   582,049.69x = 756,012,371,011.95
5. Step 5: Solve for x
   x = 756,012,371,011.95/582,049.69
6. Step 6: Final answer
   x = 1,298,879.44