Finding the Third Proportional to 1,768.50 and 3,111.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,768.50 : 3,111.38 = 3,111.38 : x
2. Step 2: Convert to fraction form
   1,768.50/3,111.38 = 3,111.38/x
3. Step 3: Cross multiply
   1,768.50x = 3,111.38 × 3,111.38
4. Step 4: Simplify right side
   1,768.50x = 9,680,654.39
5. Step 5: Solve for x
   x = 9,680,654.39/1,768.50
6. Step 6: Final answer
   x = 5,473.94