Finding the Third Proportional to 54,229.50 and 55,869.75

Step by Step Solution

1. Step 1: Write the proportion equation
   54,229.50 : 55,869.75 = 55,869.75 : x
2. Step 2: Convert to fraction form
   54,229.50/55,869.75 = 55,869.75/x
3. Step 3: Cross multiply
   54,229.50x = 55,869.75 × 55,869.75
4. Step 4: Simplify right side
   54,229.50x = 3,121,428,965.06
5. Step 5: Solve for x
   x = 3,121,428,965.06/54,229.50
6. Step 6: Final answer
   x = 57,559.61