Finding the Third Proportional to 12,646 and 13,798

Step by Step Solution

1. Step 1: Write the proportion equation
   12,646 : 13,798 = 13,798 : x
2. Step 2: Convert to fraction form
   12,646/13,798 = 13,798/x
3. Step 3: Cross multiply
   12,646x = 13,798 × 13,798
4. Step 4: Simplify right side
   12,646x = 190,384,804
5. Step 5: Solve for x
   x = 190,384,804/12,646
6. Step 6: Final answer
   x = 15,054.94