Finding the Third Proportional to 9,112 and 12,512

Step by Step Solution

1. Step 1: Write the proportion equation
   9,112 : 12,512 = 12,512 : x
2. Step 2: Convert to fraction form
   9,112/12,512 = 12,512/x
3. Step 3: Cross multiply
   9,112x = 12,512 × 12,512
4. Step 4: Simplify right side
   9,112x = 156,550,144
5. Step 5: Solve for x
   x = 156,550,144/9,112
6. Step 6: Final answer
   x = 17,180.66