Finding the Third Proportional to 13,128 and 30,956

Step by Step Solution

1. Step 1: Write the proportion equation
   13,128 : 30,956 = 30,956 : x
2. Step 2: Convert to fraction form
   13,128/30,956 = 30,956/x
3. Step 3: Cross multiply
   13,128x = 30,956 × 30,956
4. Step 4: Simplify right side
   13,128x = 958,273,936
5. Step 5: Solve for x
   x = 958,273,936/13,128
6. Step 6: Final answer
   x = 72,994.66