Finding the Third Proportional to 13,660 and 28,790

Step by Step Solution

1. Step 1: Write the proportion equation
   13,660 : 28,790 = 28,790 : x
2. Step 2: Convert to fraction form
   13,660/28,790 = 28,790/x
3. Step 3: Cross multiply
   13,660x = 28,790 × 28,790
4. Step 4: Simplify right side
   13,660x = 828,864,100
5. Step 5: Solve for x
   x = 828,864,100/13,660
6. Step 6: Final answer
   x = 60,678.19