Finding the Third Proportional to 1,073.25 and 1,431

Step by Step Solution

1. Step 1: Write the proportion equation
   1,073.25 : 1,431 = 1,431 : x
2. Step 2: Convert to fraction form
   1,073.25/1,431 = 1,431/x
3. Step 3: Cross multiply
   1,073.25x = 1,431 × 1,431
4. Step 4: Simplify right side
   1,073.25x = 2,047,761
5. Step 5: Solve for x
   x = 2,047,761/1,073.25
6. Step 6: Final answer
   x = 1,908