Finding the Third Proportional to 131,472 and 144,054

Step by Step Solution

1. Step 1: Write the proportion equation
   131,472 : 144,054 = 144,054 : x
2. Step 2: Convert to fraction form
   131,472/144,054 = 144,054/x
3. Step 3: Cross multiply
   131,472x = 144,054 × 144,054
4. Step 4: Simplify right side
   131,472x = 20,751,554,916
5. Step 5: Solve for x
   x = 20,751,554,916/131,472
6. Step 6: Final answer
   x = 157,840.11