Finding the Third Proportional to 271,384 and 580,115.50

Step by Step Solution

1. Step 1: Write the proportion equation
   271,384 : 580,115.50 = 580,115.50 : x
2. Step 2: Convert to fraction form
   271,384/580,115.50 = 580,115.50/x
3. Step 3: Cross multiply
   271,384x = 580,115.50 × 580,115.50
4. Step 4: Simplify right side
   271,384x = 336,533,993,340.25
5. Step 5: Solve for x
   x = 336,533,993,340.25/271,384
6. Step 6: Final answer
   x = 1,240,065.71