Finding the Third Proportional to 111,571 and 156,054

Step by Step Solution

1. Step 1: Write the proportion equation
   111,571 : 156,054 = 156,054 : x
2. Step 2: Convert to fraction form
   111,571/156,054 = 156,054/x
3. Step 3: Cross multiply
   111,571x = 156,054 × 156,054
4. Step 4: Simplify right side
   111,571x = 24,352,850,916
5. Step 5: Solve for x
   x = 24,352,850,916/111,571
6. Step 6: Final answer
   x = 218,272.23