Finding the Third Proportional to 1,011.94 and 1,428.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,011.94 : 1,428.47 = 1,428.47 : x
2. Step 2: Convert to fraction form
   1,011.94/1,428.47 = 1,428.47/x
3. Step 3: Cross multiply
   1,011.94x = 1,428.47 × 1,428.47
4. Step 4: Simplify right side
   1,011.94x = 2,040,522.97
5. Step 5: Solve for x
   x = 2,040,522.97/1,011.94
6. Step 6: Final answer
   x = 2,016.45