Finding the Third Proportional to 20,581.59 and 30,876.19

Step by Step Solution

1. Step 1: Write the proportion equation
   20,581.59 : 30,876.19 = 30,876.19 : x
2. Step 2: Convert to fraction form
   20,581.59/30,876.19 = 30,876.19/x
3. Step 3: Cross multiply
   20,581.59x = 30,876.19 × 30,876.19
4. Step 4: Simplify right side
   20,581.59x = 953,338,954.54
5. Step 5: Solve for x
   x = 953,338,954.54/20,581.59
6. Step 6: Final answer
   x = 46,319.98