Finding the Third Proportional to 100,711.50 and 141,171

Step by Step Solution

1. Step 1: Write the proportion equation
   100,711.50 : 141,171 = 141,171 : x
2. Step 2: Convert to fraction form
   100,711.50/141,171 = 141,171/x
3. Step 3: Cross multiply
   100,711.50x = 141,171 × 141,171
4. Step 4: Simplify right side
   100,711.50x = 19,929,251,241
5. Step 5: Solve for x
   x = 19,929,251,241/100,711.50
6. Step 6: Final answer
   x = 197,884.56