Finding the Third Proportional to 82,717 and 100,861

Step by Step Solution

1. Step 1: Write the proportion equation
   82,717 : 100,861 = 100,861 : x
2. Step 2: Convert to fraction form
   82,717/100,861 = 100,861/x
3. Step 3: Cross multiply
   82,717x = 100,861 × 100,861
4. Step 4: Simplify right side
   82,717x = 10,172,941,321
5. Step 5: Solve for x
   x = 10,172,941,321/82,717
6. Step 6: Final answer
   x = 122,984.89