Finding the Third Proportional to 20,513.25 and 30,886.31

Step by Step Solution

1. Step 1: Write the proportion equation
   20,513.25 : 30,886.31 = 30,886.31 : x
2. Step 2: Convert to fraction form
   20,513.25/30,886.31 = 30,886.31/x
3. Step 3: Cross multiply
   20,513.25x = 30,886.31 × 30,886.31
4. Step 4: Simplify right side
   20,513.25x = 953,964,299.85
5. Step 5: Solve for x
   x = 953,964,299.85/20,513.25
6. Step 6: Final answer
   x = 46,504.79