Finding the Third Proportional to 151,214 and 329,644

Step by Step Solution

1. Step 1: Write the proportion equation
   151,214 : 329,644 = 329,644 : x
2. Step 2: Convert to fraction form
   151,214/329,644 = 329,644/x
3. Step 3: Cross multiply
   151,214x = 329,644 × 329,644
4. Step 4: Simplify right side
   151,214x = 108,665,166,736
5. Step 5: Solve for x
   x = 108,665,166,736/151,214
6. Step 6: Final answer
   x = 718,618.43