Finding the Third Proportional to 32,910 and 71,287

Step by Step Solution

1. Step 1: Write the proportion equation
   32,910 : 71,287 = 71,287 : x
2. Step 2: Convert to fraction form
   32,910/71,287 = 71,287/x
3. Step 3: Cross multiply
   32,910x = 71,287 × 71,287
4. Step 4: Simplify right side
   32,910x = 5,081,836,369
5. Step 5: Solve for x
   x = 5,081,836,369/32,910
6. Step 6: Final answer
   x = 154,416.18