Finding the Third Proportional to 40,226 and 71,380

Step by Step Solution

1. Step 1: Write the proportion equation
   40,226 : 71,380 = 71,380 : x
2. Step 2: Convert to fraction form
   40,226/71,380 = 71,380/x
3. Step 3: Cross multiply
   40,226x = 71,380 × 71,380
4. Step 4: Simplify right side
   40,226x = 5,095,104,400
5. Step 5: Solve for x
   x = 5,095,104,400/40,226
6. Step 6: Final answer
   x = 126,661.97