Finding the Third Proportional to 1,490.27 and 3,240.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,490.27 : 3,240.63 = 3,240.63 : x
2. Step 2: Convert to fraction form
   1,490.27/3,240.63 = 3,240.63/x
3. Step 3: Cross multiply
   1,490.27x = 3,240.63 × 3,240.63
4. Step 4: Simplify right side
   1,490.27x = 10,501,701.03
5. Step 5: Solve for x
   x = 10,501,701.03/1,490.27
6. Step 6: Final answer
   x = 7,046.83