Finding the Third Proportional to 3,987 and 5,953.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,987 : 5,953.50 = 5,953.50 : x
2. Step 2: Convert to fraction form
   3,987/5,953.50 = 5,953.50/x
3. Step 3: Cross multiply
   3,987x = 5,953.50 × 5,953.50
4. Step 4: Simplify right side
   3,987x = 35,444,162.25
5. Step 5: Solve for x
   x = 35,444,162.25/3,987
6. Step 6: Final answer
   x = 8,889.93