Finding the Third Proportional to 155,840 and 331,096

Step by Step Solution

1. Step 1: Write the proportion equation
   155,840 : 331,096 = 331,096 : x
2. Step 2: Convert to fraction form
   155,840/331,096 = 331,096/x
3. Step 3: Cross multiply
   155,840x = 331,096 × 331,096
4. Step 4: Simplify right side
   155,840x = 109,624,561,216
5. Step 5: Solve for x
   x = 109,624,561,216/155,840
6. Step 6: Final answer
   x = 703,443.03