Finding the Third Proportional to 65,162 and 141,988

Step by Step Solution

1. Step 1: Write the proportion equation
   65,162 : 141,988 = 141,988 : x
2. Step 2: Convert to fraction form
   65,162/141,988 = 141,988/x
3. Step 3: Cross multiply
   65,162x = 141,988 × 141,988
4. Step 4: Simplify right side
   65,162x = 20,160,592,144
5. Step 5: Solve for x
   x = 20,160,592,144/65,162
6. Step 6: Final answer
   x = 309,391.86