Finding the Third Proportional to 1,619.25 and 3,474.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,619.25 : 3,474.38 = 3,474.38 : x
2. Step 2: Convert to fraction form
   1,619.25/3,474.38 = 3,474.38/x
3. Step 3: Cross multiply
   1,619.25x = 3,474.38 × 3,474.38
4. Step 4: Simplify right side
   1,619.25x = 12,071,281.64
5. Step 5: Solve for x
   x = 12,071,281.64/1,619.25
6. Step 6: Final answer
   x = 7,454.86