Finding the Third Proportional to 78,920 and 167,632

Step by Step Solution

1. Step 1: Write the proportion equation
   78,920 : 167,632 = 167,632 : x
2. Step 2: Convert to fraction form
   78,920/167,632 = 167,632/x
3. Step 3: Cross multiply
   78,920x = 167,632 × 167,632
4. Step 4: Simplify right side
   78,920x = 28,100,487,424
5. Step 5: Solve for x
   x = 28,100,487,424/78,920
6. Step 6: Final answer
   x = 356,062.94