Finding the Third Proportional to 1,211 and 1,760

Step by Step Solution

1. Step 1: Write the proportion equation
   1,211 : 1,760 = 1,760 : x
2. Step 2: Convert to fraction form
   1,211/1,760 = 1,760/x
3. Step 3: Cross multiply
   1,211x = 1,760 × 1,760
4. Step 4: Simplify right side
   1,211x = 3,097,600
5. Step 5: Solve for x
   x = 3,097,600/1,211
6. Step 6: Final answer
   x = 2,557.89