Finding the Third Proportional to 1,200.56 and 1,757.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,200.56 : 1,757.81 = 1,757.81 : x
2. Step 2: Convert to fraction form
   1,200.56/1,757.81 = 1,757.81/x
3. Step 3: Cross multiply
   1,200.56x = 1,757.81 × 1,757.81
4. Step 4: Simplify right side
   1,200.56x = 3,089,904.79
5. Step 5: Solve for x
   x = 3,089,904.79/1,200.56
6. Step 6: Final answer
   x = 2,573.71