Finding the Third Proportional to 39,987 and 57,595.50

Step by Step Solution

1. Step 1: Write the proportion equation
   39,987 : 57,595.50 = 57,595.50 : x
2. Step 2: Convert to fraction form
   39,987/57,595.50 = 57,595.50/x
3. Step 3: Cross multiply
   39,987x = 57,595.50 × 57,595.50
4. Step 4: Simplify right side
   39,987x = 3,317,241,620.25
5. Step 5: Solve for x
   x = 3,317,241,620.25/39,987
6. Step 6: Final answer
   x = 82,958.00