Finding the Third Proportional to 1,989.75 and 3,080.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,989.75 : 3,080.06 = 3,080.06 : x
2. Step 2: Convert to fraction form
   1,989.75/3,080.06 = 3,080.06/x
3. Step 3: Cross multiply
   1,989.75x = 3,080.06 × 3,080.06
4. Step 4: Simplify right side
   1,989.75x = 9,486,785.00
5. Step 5: Solve for x
   x = 9,486,785.00/1,989.75
6. Step 6: Final answer
   x = 4,767.83