Finding the Third Proportional to 12,486 and 28,436

Step by Step Solution

1. Step 1: Write the proportion equation
   12,486 : 28,436 = 28,436 : x
2. Step 2: Convert to fraction form
   12,486/28,436 = 28,436/x
3. Step 3: Cross multiply
   12,486x = 28,436 × 28,436
4. Step 4: Simplify right side
   12,486x = 808,606,096
5. Step 5: Solve for x
   x = 808,606,096/12,486
6. Step 6: Final answer
   x = 64,761.02