Finding the Third Proportional to 1,581.38 and 3,160.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,581.38 : 3,160.88 = 3,160.88 : x
2. Step 2: Convert to fraction form
   1,581.38/3,160.88 = 3,160.88/x
3. Step 3: Cross multiply
   1,581.38x = 3,160.88 × 3,160.88
4. Step 4: Simplify right side
   1,581.38x = 9,991,130.77
5. Step 5: Solve for x
   x = 9,991,130.77/1,581.38
6. Step 6: Final answer
   x = 6,318.00