Finding the Third Proportional to 71,305 and 109,610

Step by Step Solution

1. Step 1: Write the proportion equation
   71,305 : 109,610 = 109,610 : x
2. Step 2: Convert to fraction form
   71,305/109,610 = 109,610/x
3. Step 3: Cross multiply
   71,305x = 109,610 × 109,610
4. Step 4: Simplify right side
   71,305x = 12,014,352,100
5. Step 5: Solve for x
   x = 12,014,352,100/71,305
6. Step 6: Final answer
   x = 168,492.42