Finding the Third Proportional to 144,003.75 and 309,741

Step by Step Solution

1. Step 1: Write the proportion equation
   144,003.75 : 309,741 = 309,741 : x
2. Step 2: Convert to fraction form
   144,003.75/309,741 = 309,741/x
3. Step 3: Cross multiply
   144,003.75x = 309,741 × 309,741
4. Step 4: Simplify right side
   144,003.75x = 95,939,487,081
5. Step 5: Solve for x
   x = 95,939,487,081/144,003.75
6. Step 6: Final answer
   x = 666,229.09