Finding the Third Proportional to 3,987.50 and 5,858

Step by Step Solution

1. Step 1: Write the proportion equation
   3,987.50 : 5,858 = 5,858 : x
2. Step 2: Convert to fraction form
   3,987.50/5,858 = 5,858/x
3. Step 3: Cross multiply
   3,987.50x = 5,858 × 5,858
4. Step 4: Simplify right side
   3,987.50x = 34,316,164
5. Step 5: Solve for x
   x = 34,316,164/3,987.50
6. Step 6: Final answer
   x = 8,605.93