Finding the Third Proportional to 141,015 and 215,988

Step by Step Solution

1. Step 1: Write the proportion equation
   141,015 : 215,988 = 215,988 : x
2. Step 2: Convert to fraction form
   141,015/215,988 = 215,988/x
3. Step 3: Cross multiply
   141,015x = 215,988 × 215,988
4. Step 4: Simplify right side
   141,015x = 46,650,816,144
5. Step 5: Solve for x
   x = 46,650,816,144/141,015
6. Step 6: Final answer
   x = 330,821.66