Finding the Third Proportional to 38,863.50 and 57,019.88

Step by Step Solution

1. Step 1: Write the proportion equation
   38,863.50 : 57,019.88 = 57,019.88 : x
2. Step 2: Convert to fraction form
   38,863.50/57,019.88 = 57,019.88/x
3. Step 3: Cross multiply
   38,863.50x = 57,019.88 × 57,019.88
4. Step 4: Simplify right side
   38,863.50x = 3,251,266,145.02
5. Step 5: Solve for x
   x = 3,251,266,145.02/38,863.50
6. Step 6: Final answer
   x = 83,658.60