Finding the Third Proportional to 81,711 and 175,085

Step by Step Solution

1. Step 1: Write the proportion equation
   81,711 : 175,085 = 175,085 : x
2. Step 2: Convert to fraction form
   81,711/175,085 = 175,085/x
3. Step 3: Cross multiply
   81,711x = 175,085 × 175,085
4. Step 4: Simplify right side
   81,711x = 30,654,757,225
5. Step 5: Solve for x
   x = 30,654,757,225/81,711
6. Step 6: Final answer
   x = 375,160.72