Finding the Third Proportional to 20,189.25 and 30,989.25

Step by Step Solution

1. Step 1: Write the proportion equation
   20,189.25 : 30,989.25 = 30,989.25 : x
2. Step 2: Convert to fraction form
   20,189.25/30,989.25 = 30,989.25/x
3. Step 3: Cross multiply
   20,189.25x = 30,989.25 × 30,989.25
4. Step 4: Simplify right side
   20,189.25x = 960,333,615.56
5. Step 5: Solve for x
   x = 960,333,615.56/20,189.25
6. Step 6: Final answer
   x = 47,566.58