Finding the Third Proportional to 91,760 and 141,084.75

Step by Step Solution

1. Step 1: Write the proportion equation
   91,760 : 141,084.75 = 141,084.75 : x
2. Step 2: Convert to fraction form
   91,760/141,084.75 = 141,084.75/x
3. Step 3: Cross multiply
   91,760x = 141,084.75 × 141,084.75
4. Step 4: Simplify right side
   91,760x = 19,904,906,682.56
5. Step 5: Solve for x
   x = 19,904,906,682.56/91,760
6. Step 6: Final answer
   x = 216,923.57