Finding the Third Proportional to 2,108.25 and 3,191.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,108.25 : 3,191.25 = 3,191.25 : x
2. Step 2: Convert to fraction form
   2,108.25/3,191.25 = 3,191.25/x
3. Step 3: Cross multiply
   2,108.25x = 3,191.25 × 3,191.25
4. Step 4: Simplify right side
   2,108.25x = 10,184,076.56
5. Step 5: Solve for x
   x = 10,184,076.56/2,108.25
6. Step 6: Final answer
   x = 4,830.58