Finding the Third Proportional to 60,424 and 140,492

Step by Step Solution

1. Step 1: Write the proportion equation
   60,424 : 140,492 = 140,492 : x
2. Step 2: Convert to fraction form
   60,424/140,492 = 140,492/x
3. Step 3: Cross multiply
   60,424x = 140,492 × 140,492
4. Step 4: Simplify right side
   60,424x = 19,738,002,064
5. Step 5: Solve for x
   x = 19,738,002,064/60,424
6. Step 6: Final answer
   x = 326,658.32