Finding the Third Proportional to 132,904 and 229,308

Step by Step Solution

1. Step 1: Write the proportion equation
   132,904 : 229,308 = 229,308 : x
2. Step 2: Convert to fraction form
   132,904/229,308 = 229,308/x
3. Step 3: Cross multiply
   132,904x = 229,308 × 229,308
4. Step 4: Simplify right side
   132,904x = 52,582,158,864
5. Step 5: Solve for x
   x = 52,582,158,864/132,904
6. Step 6: Final answer
   x = 395,640.15