Finding the Third Proportional to 271,554 and 379,829.25

Step by Step Solution

1. Step 1: Write the proportion equation
   271,554 : 379,829.25 = 379,829.25 : x
2. Step 2: Convert to fraction form
   271,554/379,829.25 = 379,829.25/x
3. Step 3: Cross multiply
   271,554x = 379,829.25 × 379,829.25
4. Step 4: Simplify right side
   271,554x = 144,270,259,155.56
5. Step 5: Solve for x
   x = 144,270,259,155.56/271,554
6. Step 6: Final answer
   x = 531,276.50