Finding the Third Proportional to 2,490.75 and 3,588.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,490.75 : 3,588.05 = 3,588.05 : x
2. Step 2: Convert to fraction form
   2,490.75/3,588.05 = 3,588.05/x
3. Step 3: Cross multiply
   2,490.75x = 3,588.05 × 3,588.05
4. Step 4: Simplify right side
   2,490.75x = 12,874,080.38
5. Step 5: Solve for x
   x = 12,874,080.38/2,490.75
6. Step 6: Final answer
   x = 5,168.76