Finding the Third Proportional to 156.94 and 222.84

Step by Step Solution

1. Step 1: Write the proportion equation
   156.94 : 222.84 = 222.84 : x
2. Step 2: Convert to fraction form
   156.94/222.84 = 222.84/x
3. Step 3: Cross multiply
   156.94x = 222.84 × 222.84
4. Step 4: Simplify right side
   156.94x = 49,659.34
5. Step 5: Solve for x
   x = 49,659.34/156.94
6. Step 6: Final answer
   x = 316.43