Finding the Third Proportional to 1,423.69 and 3,060.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,423.69 : 3,060.28 = 3,060.28 : x
2. Step 2: Convert to fraction form
   1,423.69/3,060.28 = 3,060.28/x
3. Step 3: Cross multiply
   1,423.69x = 3,060.28 × 3,060.28
4. Step 4: Simplify right side
   1,423.69x = 9,365,321.33
5. Step 5: Solve for x
   x = 9,365,321.33/1,423.69
6. Step 6: Final answer
   x = 6,578.21