Finding the Third Proportional to 1,320 and 2,090.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,320 : 2,090.06 = 2,090.06 : x
2. Step 2: Convert to fraction form
   1,320/2,090.06 = 2,090.06/x
3. Step 3: Cross multiply
   1,320x = 2,090.06 × 2,090.06
4. Step 4: Simplify right side
   1,320x = 4,368,361.25
5. Step 5: Solve for x
   x = 4,368,361.25/1,320
6. Step 6: Final answer
   x = 3,309.36