Finding the Third Proportional to 1,071.75 and 1,433.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,071.75 : 1,433.63 = 1,433.63 : x
2. Step 2: Convert to fraction form
   1,071.75/1,433.63 = 1,433.63/x
3. Step 3: Cross multiply
   1,071.75x = 1,433.63 × 1,433.63
4. Step 4: Simplify right side
   1,071.75x = 2,055,280.64
5. Step 5: Solve for x
   x = 2,055,280.64/1,071.75
6. Step 6: Final answer
   x = 1,917.69