Finding the Third Proportional to 1,774.50 and 3,123

Step by Step Solution

1. Step 1: Write the proportion equation
   1,774.50 : 3,123 = 3,123 : x
2. Step 2: Convert to fraction form
   1,774.50/3,123 = 3,123/x
3. Step 3: Cross multiply
   1,774.50x = 3,123 × 3,123
4. Step 4: Simplify right side
   1,774.50x = 9,753,129
5. Step 5: Solve for x
   x = 9,753,129/1,774.50
6. Step 6: Final answer
   x = 5,496.27