Finding the Third Proportional to 20,558.81 and 42,733.62

Step by Step Solution

1. Step 1: Write the proportion equation
   20,558.81 : 42,733.62 = 42,733.62 : x
2. Step 2: Convert to fraction form
   20,558.81/42,733.62 = 42,733.62/x
3. Step 3: Cross multiply
   20,558.81x = 42,733.62 × 42,733.62
4. Step 4: Simplify right side
   20,558.81x = 1,826,162,037.93
5. Step 5: Solve for x
   x = 1,826,162,037.93/20,558.81
6. Step 6: Final answer
   x = 88,826.24