Finding the Third Proportional to 1,266.05 and 1,981.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,266.05 : 1,981.55 = 1,981.55 : x
2. Step 2: Convert to fraction form
   1,266.05/1,981.55 = 1,981.55/x
3. Step 3: Cross multiply
   1,266.05x = 1,981.55 × 1,981.55
4. Step 4: Simplify right side
   1,266.05x = 3,926,528.02
5. Step 5: Solve for x
   x = 3,926,528.02/1,266.05
6. Step 6: Final answer
   x = 3,101.41