Finding the Third Proportional to 12,680 and 30,548

Step by Step Solution

1. Step 1: Write the proportion equation
   12,680 : 30,548 = 30,548 : x
2. Step 2: Convert to fraction form
   12,680/30,548 = 30,548/x
3. Step 3: Cross multiply
   12,680x = 30,548 × 30,548
4. Step 4: Simplify right side
   12,680x = 933,180,304
5. Step 5: Solve for x
   x = 933,180,304/12,680
6. Step 6: Final answer
   x = 73,594.66