Finding the Third Proportional to 3,929 and 5,741.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,929 : 5,741.50 = 5,741.50 : x
2. Step 2: Convert to fraction form
   3,929/5,741.50 = 5,741.50/x
3. Step 3: Cross multiply
   3,929x = 5,741.50 × 5,741.50
4. Step 4: Simplify right side
   3,929x = 32,964,822.25
5. Step 5: Solve for x
   x = 32,964,822.25/3,929
6. Step 6: Final answer
   x = 8,390.13