Finding the Third Proportional to 38,886 and 57,508.50

Step by Step Solution

1. Step 1: Write the proportion equation
   38,886 : 57,508.50 = 57,508.50 : x
2. Step 2: Convert to fraction form
   38,886/57,508.50 = 57,508.50/x
3. Step 3: Cross multiply
   38,886x = 57,508.50 × 57,508.50
4. Step 4: Simplify right side
   38,886x = 3,307,227,572.25
5. Step 5: Solve for x
   x = 3,307,227,572.25/38,886
6. Step 6: Final answer
   x = 85,049.31