Finding the Third Proportional to 1,986.05 and 2,635.45

Step by Step Solution

1. Step 1: Write the proportion equation
   1,986.05 : 2,635.45 = 2,635.45 : x
2. Step 2: Convert to fraction form
   1,986.05/2,635.45 = 2,635.45/x
3. Step 3: Cross multiply
   1,986.05x = 2,635.45 × 2,635.45
4. Step 4: Simplify right side
   1,986.05x = 6,945,613.17
5. Step 5: Solve for x
   x = 6,945,613.17/1,986.05
6. Step 6: Final answer
   x = 3,497.21