Finding the Third Proportional to 20,570 and 30,567

Step by Step Solution

1. Step 1: Write the proportion equation
   20,570 : 30,567 = 30,567 : x
2. Step 2: Convert to fraction form
   20,570/30,567 = 30,567/x
3. Step 3: Cross multiply
   20,570x = 30,567 × 30,567
4. Step 4: Simplify right side
   20,570x = 934,341,489
5. Step 5: Solve for x
   x = 934,341,489/20,570
6. Step 6: Final answer
   x = 45,422.53