Finding the Third Proportional to 20,512.41 and 42,446.53

Step by Step Solution

1. Step 1: Write the proportion equation
   20,512.41 : 42,446.53 = 42,446.53 : x
2. Step 2: Convert to fraction form
   20,512.41/42,446.53 = 42,446.53/x
3. Step 3: Cross multiply
   20,512.41x = 42,446.53 × 42,446.53
4. Step 4: Simplify right side
   20,512.41x = 1,801,708,015.16
5. Step 5: Solve for x
   x = 1,801,708,015.16/20,512.41
6. Step 6: Final answer
   x = 87,835.04