Finding the Third Proportional to 50,986.50 and 76,722

Step by Step Solution

1. Step 1: Write the proportion equation
   50,986.50 : 76,722 = 76,722 : x
2. Step 2: Convert to fraction form
   50,986.50/76,722 = 76,722/x
3. Step 3: Cross multiply
   50,986.50x = 76,722 × 76,722
4. Step 4: Simplify right side
   50,986.50x = 5,886,265,284
5. Step 5: Solve for x
   x = 5,886,265,284/50,986.50
6. Step 6: Final answer
   x = 115,447.53