Finding the Third Proportional to 49,878 and 108,680

Step by Step Solution

1. Step 1: Write the proportion equation
   49,878 : 108,680 = 108,680 : x
2. Step 2: Convert to fraction form
   49,878/108,680 = 108,680/x
3. Step 3: Cross multiply
   49,878x = 108,680 × 108,680
4. Step 4: Simplify right side
   49,878x = 11,811,342,400
5. Step 5: Solve for x
   x = 11,811,342,400/49,878
6. Step 6: Final answer
   x = 236,804.65