Finding the Third Proportional to 329,632 and 718,016

Step by Step Solution

1. Step 1: Write the proportion equation
   329,632 : 718,016 = 718,016 : x
2. Step 2: Convert to fraction form
   329,632/718,016 = 718,016/x
3. Step 3: Cross multiply
   329,632x = 718,016 × 718,016
4. Step 4: Simplify right side
   329,632x = 515,546,976,256
5. Step 5: Solve for x
   x = 515,546,976,256/329,632
6. Step 6: Final answer
   x = 1,564,007.67