Finding the Third Proportional to 170,680 and 229,768

Step by Step Solution

1. Step 1: Write the proportion equation
   170,680 : 229,768 = 229,768 : x
2. Step 2: Convert to fraction form
   170,680/229,768 = 229,768/x
3. Step 3: Cross multiply
   170,680x = 229,768 × 229,768
4. Step 4: Simplify right side
   170,680x = 52,793,333,824
5. Step 5: Solve for x
   x = 52,793,333,824/170,680
6. Step 6: Final answer
   x = 309,311.78