Finding the Third Proportional to 28,638 and 60,492

Step by Step Solution

1. Step 1: Write the proportion equation
   28,638 : 60,492 = 60,492 : x
2. Step 2: Convert to fraction form
   28,638/60,492 = 60,492/x
3. Step 3: Cross multiply
   28,638x = 60,492 × 60,492
4. Step 4: Simplify right side
   28,638x = 3,659,282,064
5. Step 5: Solve for x
   x = 3,659,282,064/28,638
6. Step 6: Final answer
   x = 127,777.15