Finding the Third Proportional to 1,323.19 and 3,076.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,323.19 : 3,076.31 = 3,076.31 : x
2. Step 2: Convert to fraction form
   1,323.19/3,076.31 = 3,076.31/x
3. Step 3: Cross multiply
   1,323.19x = 3,076.31 × 3,076.31
4. Step 4: Simplify right side
   1,323.19x = 9,463,698.60
5. Step 5: Solve for x
   x = 9,463,698.60/1,323.19
6. Step 6: Final answer
   x = 7,152.20