Finding the Third Proportional to 57,727.69 and 72,254.53

Step by Step Solution

1. Step 1: Write the proportion equation
   57,727.69 : 72,254.53 = 72,254.53 : x
2. Step 2: Convert to fraction form
   57,727.69/72,254.53 = 72,254.53/x
3. Step 3: Cross multiply
   57,727.69x = 72,254.53 × 72,254.53
4. Step 4: Simplify right side
   57,727.69x = 5,220,717,286.16
5. Step 5: Solve for x
   x = 5,220,717,286.16/57,727.69
6. Step 6: Final answer
   x = 90,436.97