Finding the Third Proportional to 79,617 and 171,030

Step by Step Solution

1. Step 1: Write the proportion equation
   79,617 : 171,030 = 171,030 : x
2. Step 2: Convert to fraction form
   79,617/171,030 = 171,030/x
3. Step 3: Cross multiply
   79,617x = 171,030 × 171,030
4. Step 4: Simplify right side
   79,617x = 29,251,260,900
5. Step 5: Solve for x
   x = 29,251,260,900/79,617
6. Step 6: Final answer
   x = 367,399.69