Finding the Third Proportional to 100,912 and 156,144

Step by Step Solution

1. Step 1: Write the proportion equation
   100,912 : 156,144 = 156,144 : x
2. Step 2: Convert to fraction form
   100,912/156,144 = 156,144/x
3. Step 3: Cross multiply
   100,912x = 156,144 × 156,144
4. Step 4: Simplify right side
   100,912x = 24,380,948,736
5. Step 5: Solve for x
   x = 24,380,948,736/100,912
6. Step 6: Final answer
   x = 241,606.04