Finding the Third Proportional to 151,680 and 331,008

Step by Step Solution

1. Step 1: Write the proportion equation
   151,680 : 331,008 = 331,008 : x
2. Step 2: Convert to fraction form
   151,680/331,008 = 331,008/x
3. Step 3: Cross multiply
   151,680x = 331,008 × 331,008
4. Step 4: Simplify right side
   151,680x = 109,566,296,064
5. Step 5: Solve for x
   x = 109,566,296,064/151,680
6. Step 6: Final answer
   x = 722,351.64