Finding the Third Proportional to 50,768 and 74,680

Step by Step Solution

1. Step 1: Write the proportion equation
   50,768 : 74,680 = 74,680 : x
2. Step 2: Convert to fraction form
   50,768/74,680 = 74,680/x
3. Step 3: Cross multiply
   50,768x = 74,680 × 74,680
4. Step 4: Simplify right side
   50,768x = 5,577,102,400
5. Step 5: Solve for x
   x = 5,577,102,400/50,768
6. Step 6: Final answer
   x = 109,854.68