Finding the Third Proportional to 271,395 and 578,858.50

Step by Step Solution

1. Step 1: Write the proportion equation
   271,395 : 578,858.50 = 578,858.50 : x
2. Step 2: Convert to fraction form
   271,395/578,858.50 = 578,858.50/x
3. Step 3: Cross multiply
   271,395x = 578,858.50 × 578,858.50
4. Step 4: Simplify right side
   271,395x = 335,077,163,022.25
5. Step 5: Solve for x
   x = 335,077,163,022.25/271,395
6. Step 6: Final answer
   x = 1,234,647.52