Finding the Third Proportional to 12,902 and 30,302

Step by Step Solution

1. Step 1: Write the proportion equation
   12,902 : 30,302 = 30,302 : x
2. Step 2: Convert to fraction form
   12,902/30,302 = 30,302/x
3. Step 3: Cross multiply
   12,902x = 30,302 × 30,302
4. Step 4: Simplify right side
   12,902x = 918,211,204
5. Step 5: Solve for x
   x = 918,211,204/12,902
6. Step 6: Final answer
   x = 71,168.13