Finding the Third Proportional to 1,490.19 and 3,229.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,490.19 : 3,229.31 = 3,229.31 : x
2. Step 2: Convert to fraction form
   1,490.19/3,229.31 = 3,229.31/x
3. Step 3: Cross multiply
   1,490.19x = 3,229.31 × 3,229.31
4. Step 4: Simplify right side
   1,490.19x = 10,428,459.22
5. Step 5: Solve for x
   x = 10,428,459.22/1,490.19
6. Step 6: Final answer
   x = 6,998.09