Finding the Third Proportional to 229,620 and 362,040

Step by Step Solution

1. Step 1: Write the proportion equation
   229,620 : 362,040 = 362,040 : x
2. Step 2: Convert to fraction form
   229,620/362,040 = 362,040/x
3. Step 3: Cross multiply
   229,620x = 362,040 × 362,040
4. Step 4: Simplify right side
   229,620x = 131,072,961,600
5. Step 5: Solve for x
   x = 131,072,961,600/229,620
6. Step 6: Final answer
   x = 570,825.54