Finding the Third Proportional to 1,433.75 and 2,191.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,433.75 : 2,191.25 = 2,191.25 : x
2. Step 2: Convert to fraction form
   1,433.75/2,191.25 = 2,191.25/x
3. Step 3: Cross multiply
   1,433.75x = 2,191.25 × 2,191.25
4. Step 4: Simplify right side
   1,433.75x = 4,801,576.56
5. Step 5: Solve for x
   x = 4,801,576.56/1,433.75
6. Step 6: Final answer
   x = 3,348.96