Finding the Third Proportional to 12,680 and 17,848

Step by Step Solution

1. Step 1: Write the proportion equation
   12,680 : 17,848 = 17,848 : x
2. Step 2: Convert to fraction form
   12,680/17,848 = 17,848/x
3. Step 3: Cross multiply
   12,680x = 17,848 × 17,848
4. Step 4: Simplify right side
   12,680x = 318,551,104
5. Step 5: Solve for x
   x = 318,551,104/12,680
6. Step 6: Final answer
   x = 25,122.33