Finding the Third Proportional to 229,040 and 356,647.25

Step by Step Solution

1. Step 1: Write the proportion equation
   229,040 : 356,647.25 = 356,647.25 : x
2. Step 2: Convert to fraction form
   229,040/356,647.25 = 356,647.25/x
3. Step 3: Cross multiply
   229,040x = 356,647.25 × 356,647.25
4. Step 4: Simplify right side
   229,040x = 127,197,260,932.56
5. Step 5: Solve for x
   x = 127,197,260,932.56/229,040
6. Step 6: Final answer
   x = 555,349.55