Finding the Third Proportional to 3,979.50 and 5,838.75

Step by Step Solution

1. Step 1: Write the proportion equation
   3,979.50 : 5,838.75 = 5,838.75 : x
2. Step 2: Convert to fraction form
   3,979.50/5,838.75 = 5,838.75/x
3. Step 3: Cross multiply
   3,979.50x = 5,838.75 × 5,838.75
4. Step 4: Simplify right side
   3,979.50x = 34,091,001.56
5. Step 5: Solve for x
   x = 34,091,001.56/3,979.50
6. Step 6: Final answer
   x = 8,566.65