Finding the Third Proportional to 12,902 and 17,410

Step by Step Solution

1. Step 1: Write the proportion equation
   12,902 : 17,410 = 17,410 : x
2. Step 2: Convert to fraction form
   12,902/17,410 = 17,410/x
3. Step 3: Cross multiply
   12,902x = 17,410 × 17,410
4. Step 4: Simplify right side
   12,902x = 303,108,100
5. Step 5: Solve for x
   x = 303,108,100/12,902
6. Step 6: Final answer
   x = 23,493.11