Finding the Third Proportional to 151,849 and 328,736

Step by Step Solution

1. Step 1: Write the proportion equation
   151,849 : 328,736 = 328,736 : x
2. Step 2: Convert to fraction form
   151,849/328,736 = 328,736/x
3. Step 3: Cross multiply
   151,849x = 328,736 × 328,736
4. Step 4: Simplify right side
   151,849x = 108,067,357,696
5. Step 5: Solve for x
   x = 108,067,357,696/151,849
6. Step 6: Final answer
   x = 711,676.45