Finding the Third Proportional to 38,308.50 and 57,228.75

Step by Step Solution

1. Step 1: Write the proportion equation
   38,308.50 : 57,228.75 = 57,228.75 : x
2. Step 2: Convert to fraction form
   38,308.50/57,228.75 = 57,228.75/x
3. Step 3: Cross multiply
   38,308.50x = 57,228.75 × 57,228.75
4. Step 4: Simplify right side
   38,308.50x = 3,275,129,826.56
5. Step 5: Solve for x
   x = 3,275,129,826.56/38,308.50
6. Step 6: Final answer
   x = 85,493.55