Finding the Third Proportional to 1,490.91 and 3,042.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,490.91 : 3,042.56 = 3,042.56 : x
2. Step 2: Convert to fraction form
   1,490.91/3,042.56 = 3,042.56/x
3. Step 3: Cross multiply
   1,490.91x = 3,042.56 × 3,042.56
4. Step 4: Simplify right side
   1,490.91x = 9,257,186.57
5. Step 5: Solve for x
   x = 9,257,186.57/1,490.91
6. Step 6: Final answer
   x = 6,209.10