Finding the Third Proportional to 227,177.25 and 356,404

Step by Step Solution

1. Step 1: Write the proportion equation
   227,177.25 : 356,404 = 356,404 : x
2. Step 2: Convert to fraction form
   227,177.25/356,404 = 356,404/x
3. Step 3: Cross multiply
   227,177.25x = 356,404 × 356,404
4. Step 4: Simplify right side
   227,177.25x = 127,023,811,216
5. Step 5: Solve for x
   x = 127,023,811,216/227,177.25
6. Step 6: Final answer
   x = 559,139.66