Finding the Third Proportional to 12,988 and 28,492

Step by Step Solution

1. Step 1: Write the proportion equation
   12,988 : 28,492 = 28,492 : x
2. Step 2: Convert to fraction form
   12,988/28,492 = 28,492/x
3. Step 3: Cross multiply
   12,988x = 28,492 × 28,492
4. Step 4: Simplify right side
   12,988x = 811,794,064
5. Step 5: Solve for x
   x = 811,794,064/12,988
6. Step 6: Final answer
   x = 62,503.39