Finding the Third Proportional to 67,287 and 141,546

Step by Step Solution

1. Step 1: Write the proportion equation
   67,287 : 141,546 = 141,546 : x
2. Step 2: Convert to fraction form
   67,287/141,546 = 141,546/x
3. Step 3: Cross multiply
   67,287x = 141,546 × 141,546
4. Step 4: Simplify right side
   67,287x = 20,035,270,116
5. Step 5: Solve for x
   x = 20,035,270,116/67,287
6. Step 6: Final answer
   x = 297,758.41