Finding the Third Proportional to 65,067.75 and 141,678

Step by Step Solution

1. Step 1: Write the proportion equation
   65,067.75 : 141,678 = 141,678 : x
2. Step 2: Convert to fraction form
   65,067.75/141,678 = 141,678/x
3. Step 3: Cross multiply
   65,067.75x = 141,678 × 141,678
4. Step 4: Simplify right side
   65,067.75x = 20,072,655,684
5. Step 5: Solve for x
   x = 20,072,655,684/65,067.75
6. Step 6: Final answer
   x = 308,488.55