Finding the Third Proportional to 20,684.25 and 30,872.25

Step by Step Solution

1. Step 1: Write the proportion equation
   20,684.25 : 30,872.25 = 30,872.25 : x
2. Step 2: Convert to fraction form
   20,684.25/30,872.25 = 30,872.25/x
3. Step 3: Cross multiply
   20,684.25x = 30,872.25 × 30,872.25
4. Step 4: Simplify right side
   20,684.25x = 953,095,820.06
5. Step 5: Solve for x
   x = 953,095,820.06/20,684.25
6. Step 6: Final answer
   x = 46,078.34