Finding the Third Proportional to 1,379 and 2,065.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,379 : 2,065.50 = 2,065.50 : x
2. Step 2: Convert to fraction form
   1,379/2,065.50 = 2,065.50/x
3. Step 3: Cross multiply
   1,379x = 2,065.50 × 2,065.50
4. Step 4: Simplify right side
   1,379x = 4,266,290.25
5. Step 5: Solve for x
   x = 4,266,290.25/1,379
6. Step 6: Final answer
   x = 3,093.76