Finding the Third Proportional to 1,490.63 and 3,229.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,490.63 : 3,229.88 = 3,229.88 : x
2. Step 2: Convert to fraction form
   1,490.63/3,229.88 = 3,229.88/x
3. Step 3: Cross multiply
   1,490.63x = 3,229.88 × 3,229.88
4. Step 4: Simplify right side
   1,490.63x = 10,432,092.52
5. Step 5: Solve for x
   x = 10,432,092.52/1,490.63
6. Step 6: Final answer
   x = 6,998.47