Finding the Third Proportional to 1,349.79 and 1,879.45

Step by Step Solution

1. Step 1: Write the proportion equation
   1,349.79 : 1,879.45 = 1,879.45 : x
2. Step 2: Convert to fraction form
   1,349.79/1,879.45 = 1,879.45/x
3. Step 3: Cross multiply
   1,349.79x = 1,879.45 × 1,879.45
4. Step 4: Simplify right side
   1,349.79x = 3,532,344.05
5. Step 5: Solve for x
   x = 3,532,344.05/1,349.79
6. Step 6: Final answer
   x = 2,616.96