Finding the Third Proportional to 85,760 and 131,968

Step by Step Solution

1. Step 1: Write the proportion equation
   85,760 : 131,968 = 131,968 : x
2. Step 2: Convert to fraction form
   85,760/131,968 = 131,968/x
3. Step 3: Cross multiply
   85,760x = 131,968 × 131,968
4. Step 4: Simplify right side
   85,760x = 17,415,553,024
5. Step 5: Solve for x
   x = 17,415,553,024/85,760
6. Step 6: Final answer
   x = 203,073.15