Finding the Third Proportional to 9,380 and 20,015

Step by Step Solution

1. Step 1: Write the proportion equation
   9,380 : 20,015 = 20,015 : x
2. Step 2: Convert to fraction form
   9,380/20,015 = 20,015/x
3. Step 3: Cross multiply
   9,380x = 20,015 × 20,015
4. Step 4: Simplify right side
   9,380x = 400,600,225
5. Step 5: Solve for x
   x = 400,600,225/9,380
6. Step 6: Final answer
   x = 42,707.91