Finding the Third Proportional to 3,910 and 5,865.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,910 : 5,865.50 = 5,865.50 : x
2. Step 2: Convert to fraction form
   3,910/5,865.50 = 5,865.50/x
3. Step 3: Cross multiply
   3,910x = 5,865.50 × 5,865.50
4. Step 4: Simplify right side
   3,910x = 34,404,090.25
5. Step 5: Solve for x
   x = 34,404,090.25/3,910
6. Step 6: Final answer
   x = 8,799.00