Finding the Third Proportional to 123,557.25 and 271,171.50

Step by Step Solution

1. Step 1: Write the proportion equation
   123,557.25 : 271,171.50 = 271,171.50 : x
2. Step 2: Convert to fraction form
   123,557.25/271,171.50 = 271,171.50/x
3. Step 3: Cross multiply
   123,557.25x = 271,171.50 × 271,171.50
4. Step 4: Simplify right side
   123,557.25x = 73,533,982,412.25
5. Step 5: Solve for x
   x = 73,533,982,412.25/123,557.25
6. Step 6: Final answer
   x = 595,140.98