Finding the Third Proportional to 1,474.88 and 3,147.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,474.88 : 3,147.38 = 3,147.38 : x
2. Step 2: Convert to fraction form
   1,474.88/3,147.38 = 3,147.38/x
3. Step 3: Cross multiply
   1,474.88x = 3,147.38 × 3,147.38
4. Step 4: Simplify right side
   1,474.88x = 9,905,969.39
5. Step 5: Solve for x
   x = 9,905,969.39/1,474.88
6. Step 6: Final answer
   x = 6,716.48