Finding the Third Proportional to 38,886.75 and 57,509.25

Step by Step Solution

1. Step 1: Write the proportion equation
   38,886.75 : 57,509.25 = 57,509.25 : x
2. Step 2: Convert to fraction form
   38,886.75/57,509.25 = 57,509.25/x
3. Step 3: Cross multiply
   38,886.75x = 57,509.25 × 57,509.25
4. Step 4: Simplify right side
   38,886.75x = 3,307,313,835.56
5. Step 5: Solve for x
   x = 3,307,313,835.56/38,886.75
6. Step 6: Final answer
   x = 85,049.89