Finding the Third Proportional to 1,320.05 and 2,729.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,320.05 : 2,729.32 = 2,729.32 : x
2. Step 2: Convert to fraction form
   1,320.05/2,729.32 = 2,729.32/x
3. Step 3: Cross multiply
   1,320.05x = 2,729.32 × 2,729.32
4. Step 4: Simplify right side
   1,320.05x = 7,449,189.37
5. Step 5: Solve for x
   x = 7,449,189.37/1,320.05
6. Step 6: Final answer
   x = 5,643.12