Finding the Third Proportional to 2,574.56 and 4,890.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,574.56 : 4,890.94 = 4,890.94 : x
2. Step 2: Convert to fraction form
   2,574.56/4,890.94 = 4,890.94/x
3. Step 3: Cross multiply
   2,574.56x = 4,890.94 × 4,890.94
4. Step 4: Simplify right side
   2,574.56x = 23,921,269.63
5. Step 5: Solve for x
   x = 23,921,269.63/2,574.56
6. Step 6: Final answer
   x = 9,291.39