Finding the Third Proportional to 12,561 and 34,170

Step by Step Solution

1. Step 1: Write the proportion equation
   12,561 : 34,170 = 34,170 : x
2. Step 2: Convert to fraction form
   12,561/34,170 = 34,170/x
3. Step 3: Cross multiply
   12,561x = 34,170 × 34,170
4. Step 4: Simplify right side
   12,561x = 1,167,588,900
5. Step 5: Solve for x
   x = 1,167,588,900/12,561
6. Step 6: Final answer
   x = 92,953.50