Finding the Third Proportional to 272,647.55 and 582,404.48

Step by Step Solution

1. Step 1: Write the proportion equation
   272,647.55 : 582,404.48 = 582,404.48 : x
2. Step 2: Convert to fraction form
   272,647.55/582,404.48 = 582,404.48/x
3. Step 3: Cross multiply
   272,647.55x = 582,404.48 × 582,404.48
4. Step 4: Simplify right side
   272,647.55x = 339,194,983,420.11
5. Step 5: Solve for x
   x = 339,194,983,420.11/272,647.55
6. Step 6: Final answer
   x = 1,244,078.62