Finding the Third Proportional to 65,910 and 144,924

Step by Step Solution

1. Step 1: Write the proportion equation
   65,910 : 144,924 = 144,924 : x
2. Step 2: Convert to fraction form
   65,910/144,924 = 144,924/x
3. Step 3: Cross multiply
   65,910x = 144,924 × 144,924
4. Step 4: Simplify right side
   65,910x = 21,002,965,776
5. Step 5: Solve for x
   x = 21,002,965,776/65,910
6. Step 6: Final answer
   x = 318,661.29