Finding the Third Proportional to 271,554 and 379,828.50

Step by Step Solution

1. Step 1: Write the proportion equation
   271,554 : 379,828.50 = 379,828.50 : x
2. Step 2: Convert to fraction form
   271,554/379,828.50 = 379,828.50/x
3. Step 3: Cross multiply
   271,554x = 379,828.50 × 379,828.50
4. Step 4: Simplify right side
   271,554x = 144,269,689,412.25
5. Step 5: Solve for x
   x = 144,269,689,412.25/271,554
6. Step 6: Final answer
   x = 531,274.40