Finding the Third Proportional to 981.56 and 2,008.69

Step by Step Solution

1. Step 1: Write the proportion equation
   981.56 : 2,008.69 = 2,008.69 : x
2. Step 2: Convert to fraction form
   981.56/2,008.69 = 2,008.69/x
3. Step 3: Cross multiply
   981.56x = 2,008.69 × 2,008.69
4. Step 4: Simplify right side
   981.56x = 4,034,825.47
5. Step 5: Solve for x
   x = 4,034,825.47/981.56
6. Step 6: Final answer
   x = 4,110.61