Finding the Third Proportional to 52,618 and 80,492

Step by Step Solution

1. Step 1: Write the proportion equation
   52,618 : 80,492 = 80,492 : x
2. Step 2: Convert to fraction form
   52,618/80,492 = 80,492/x
3. Step 3: Cross multiply
   52,618x = 80,492 × 80,492
4. Step 4: Simplify right side
   52,618x = 6,478,962,064
5. Step 5: Solve for x
   x = 6,478,962,064/52,618
6. Step 6: Final answer
   x = 123,132.05