Finding the Third Proportional to 144,504 and 191,790

Step by Step Solution

1. Step 1: Write the proportion equation
   144,504 : 191,790 = 191,790 : x
2. Step 2: Convert to fraction form
   144,504/191,790 = 191,790/x
3. Step 3: Cross multiply
   144,504x = 191,790 × 191,790
4. Step 4: Simplify right side
   144,504x = 36,783,404,100
5. Step 5: Solve for x
   x = 36,783,404,100/144,504
6. Step 6: Final answer
   x = 254,549.38