Finding the Third Proportional to 20,215 and 30,604

Step by Step Solution

1. Step 1: Write the proportion equation
   20,215 : 30,604 = 30,604 : x
2. Step 2: Convert to fraction form
   20,215/30,604 = 30,604/x
3. Step 3: Cross multiply
   20,215x = 30,604 × 30,604
4. Step 4: Simplify right side
   20,215x = 936,604,816
5. Step 5: Solve for x
   x = 936,604,816/20,215
6. Step 6: Final answer
   x = 46,332.17