Finding the Third Proportional to 272,314 and 582,020

Step by Step Solution

1. Step 1: Write the proportion equation
   272,314 : 582,020 = 582,020 : x
2. Step 2: Convert to fraction form
   272,314/582,020 = 582,020/x
3. Step 3: Cross multiply
   272,314x = 582,020 × 582,020
4. Step 4: Simplify right side
   272,314x = 338,747,280,400
5. Step 5: Solve for x
   x = 338,747,280,400/272,314
6. Step 6: Final answer
   x = 1,243,958.37