Finding the Third Proportional to 1,488.13 and 2,214.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,488.13 : 2,214.56 = 2,214.56 : x
2. Step 2: Convert to fraction form
   1,488.13/2,214.56 = 2,214.56/x
3. Step 3: Cross multiply
   1,488.13x = 2,214.56 × 2,214.56
4. Step 4: Simplify right side
   1,488.13x = 4,904,287.07
5. Step 5: Solve for x
   x = 4,904,287.07/1,488.13
6. Step 6: Final answer
   x = 3,295.61