Finding the Third Proportional to 1,343.75 and 2,055.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,343.75 : 2,055.25 = 2,055.25 : x
2. Step 2: Convert to fraction form
   1,343.75/2,055.25 = 2,055.25/x
3. Step 3: Cross multiply
   1,343.75x = 2,055.25 × 2,055.25
4. Step 4: Simplify right side
   1,343.75x = 4,224,052.56
5. Step 5: Solve for x
   x = 4,224,052.56/1,343.75
6. Step 6: Final answer
   x = 3,143.48