Finding the Third Proportional to 1,738.13 and 3,591.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,738.13 : 3,591.38 = 3,591.38 : x
2. Step 2: Convert to fraction form
   1,738.13/3,591.38 = 3,591.38/x
3. Step 3: Cross multiply
   1,738.13x = 3,591.38 × 3,591.38
4. Step 4: Simplify right side
   1,738.13x = 12,897,974.39
5. Step 5: Solve for x
   x = 12,897,974.39/1,738.13
6. Step 6: Final answer
   x = 7,420.63