Finding the Third Proportional to 12,370 and 13,669

Step by Step Solution

1. Step 1: Write the proportion equation
   12,370 : 13,669 = 13,669 : x
2. Step 2: Convert to fraction form
   12,370/13,669 = 13,669/x
3. Step 3: Cross multiply
   12,370x = 13,669 × 13,669
4. Step 4: Simplify right side
   12,370x = 186,841,561
5. Step 5: Solve for x
   x = 186,841,561/12,370
6. Step 6: Final answer
   x = 15,104.41