Finding the Third Proportional to 2,859 and 4,870.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,859 : 4,870.50 = 4,870.50 : x
2. Step 2: Convert to fraction form
   2,859/4,870.50 = 4,870.50/x
3. Step 3: Cross multiply
   2,859x = 4,870.50 × 4,870.50
4. Step 4: Simplify right side
   2,859x = 23,721,770.25
5. Step 5: Solve for x
   x = 23,721,770.25/2,859
6. Step 6: Final answer
   x = 8,297.23