Finding the Third Proportional to 110,908 and 156,210

Step by Step Solution

1. Step 1: Write the proportion equation
   110,908 : 156,210 = 156,210 : x
2. Step 2: Convert to fraction form
   110,908/156,210 = 156,210/x
3. Step 3: Cross multiply
   110,908x = 156,210 × 156,210
4. Step 4: Simplify right side
   110,908x = 24,401,564,100
5. Step 5: Solve for x
   x = 24,401,564,100/110,908
6. Step 6: Final answer
   x = 220,016.27