Finding the Third Proportional to 153,208 and 331,016

Step by Step Solution

1. Step 1: Write the proportion equation
   153,208 : 331,016 = 331,016 : x
2. Step 2: Convert to fraction form
   153,208/331,016 = 331,016/x
3. Step 3: Cross multiply
   153,208x = 331,016 × 331,016
4. Step 4: Simplify right side
   153,208x = 109,571,592,256
5. Step 5: Solve for x
   x = 109,571,592,256/153,208
6. Step 6: Final answer
   x = 715,181.92