Finding the Third Proportional to 82,440 and 167,760

Step by Step Solution

1. Step 1: Write the proportion equation
   82,440 : 167,760 = 167,760 : x
2. Step 2: Convert to fraction form
   82,440/167,760 = 167,760/x
3. Step 3: Cross multiply
   82,440x = 167,760 × 167,760
4. Step 4: Simplify right side
   82,440x = 28,143,417,600
5. Step 5: Solve for x
   x = 28,143,417,600/82,440
6. Step 6: Final answer
   x = 341,380.61