Finding the Third Proportional to 271,428 and 550,144.50

Step by Step Solution

1. Step 1: Write the proportion equation
   271,428 : 550,144.50 = 550,144.50 : x
2. Step 2: Convert to fraction form
   271,428/550,144.50 = 550,144.50/x
3. Step 3: Cross multiply
   271,428x = 550,144.50 × 550,144.50
4. Step 4: Simplify right side
   271,428x = 302,658,970,880.25
5. Step 5: Solve for x
   x = 302,658,970,880.25/271,428
6. Step 6: Final answer
   x = 1,115,061.71