Finding the Third Proportional to 2,100.75 and 3,248.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,100.75 : 3,248.25 = 3,248.25 : x
2. Step 2: Convert to fraction form
   2,100.75/3,248.25 = 3,248.25/x
3. Step 3: Cross multiply
   2,100.75x = 3,248.25 × 3,248.25
4. Step 4: Simplify right side
   2,100.75x = 10,551,128.06
5. Step 5: Solve for x
   x = 10,551,128.06/2,100.75
6. Step 6: Final answer
   x = 5,022.55