Finding the Third Proportional to 2,321.25 and 4,870.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,321.25 : 4,870.25 = 4,870.25 : x
2. Step 2: Convert to fraction form
   2,321.25/4,870.25 = 4,870.25/x
3. Step 3: Cross multiply
   2,321.25x = 4,870.25 × 4,870.25
4. Step 4: Simplify right side
   2,321.25x = 23,719,335.06
5. Step 5: Solve for x
   x = 23,719,335.06/2,321.25
6. Step 6: Final answer
   x = 10,218.35