Finding the Third Proportional to 34,518 and 71,238

Step by Step Solution

1. Step 1: Write the proportion equation
   34,518 : 71,238 = 71,238 : x
2. Step 2: Convert to fraction form
   34,518/71,238 = 71,238/x
3. Step 3: Cross multiply
   34,518x = 71,238 × 71,238
4. Step 4: Simplify right side
   34,518x = 5,074,852,644
5. Step 5: Solve for x
   x = 5,074,852,644/34,518
6. Step 6: Final answer
   x = 147,020.47