Finding the Third Proportional to 60,920 and 142,343

Step by Step Solution

1. Step 1: Write the proportion equation
   60,920 : 142,343 = 142,343 : x
2. Step 2: Convert to fraction form
   60,920/142,343 = 142,343/x
3. Step 3: Cross multiply
   60,920x = 142,343 × 142,343
4. Step 4: Simplify right side
   60,920x = 20,261,529,649
5. Step 5: Solve for x
   x = 20,261,529,649/60,920
6. Step 6: Final answer
   x = 332,592.41