Finding the Third Proportional to 50,608 and 74,080

Step by Step Solution

1. Step 1: Write the proportion equation
   50,608 : 74,080 = 74,080 : x
2. Step 2: Convert to fraction form
   50,608/74,080 = 74,080/x
3. Step 3: Cross multiply
   50,608x = 74,080 × 74,080
4. Step 4: Simplify right side
   50,608x = 5,487,846,400
5. Step 5: Solve for x
   x = 5,487,846,400/50,608
6. Step 6: Final answer
   x = 108,438.32