Finding the Third Proportional to 156,935 and 221,096

Step by Step Solution

1. Step 1: Write the proportion equation
   156,935 : 221,096 = 221,096 : x
2. Step 2: Convert to fraction form
   156,935/221,096 = 221,096/x
3. Step 3: Cross multiply
   156,935x = 221,096 × 221,096
4. Step 4: Simplify right side
   156,935x = 48,883,441,216
5. Step 5: Solve for x
   x = 48,883,441,216/156,935
6. Step 6: Final answer
   x = 311,488.46