Finding the Third Proportional to 1,242.84 and 3,048.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,242.84 : 3,048.89 = 3,048.89 : x
2. Step 2: Convert to fraction form
   1,242.84/3,048.89 = 3,048.89/x
3. Step 3: Cross multiply
   1,242.84x = 3,048.89 × 3,048.89
4. Step 4: Simplify right side
   1,242.84x = 9,295,734.04
5. Step 5: Solve for x
   x = 9,295,734.04/1,242.84
6. Step 6: Final answer
   x = 7,479.41