Finding the Third Proportional to 50,685.75 and 71,297.72

Step by Step Solution

1. Step 1: Write the proportion equation
   50,685.75 : 71,297.72 = 71,297.72 : x
2. Step 2: Convert to fraction form
   50,685.75/71,297.72 = 71,297.72/x
3. Step 3: Cross multiply
   50,685.75x = 71,297.72 × 71,297.72
4. Step 4: Simplify right side
   50,685.75x = 5,083,364,698.95
5. Step 5: Solve for x
   x = 5,083,364,698.95/50,685.75
6. Step 6: Final answer
   x = 100,291.79