Finding the Third Proportional to 1,312 and 1,774

Step by Step Solution

1. Step 1: Write the proportion equation
   1,312 : 1,774 = 1,774 : x
2. Step 2: Convert to fraction form
   1,312/1,774 = 1,774/x
3. Step 3: Cross multiply
   1,312x = 1,774 × 1,774
4. Step 4: Simplify right side
   1,312x = 3,147,076
5. Step 5: Solve for x
   x = 3,147,076/1,312
6. Step 6: Final answer
   x = 2,398.69