Finding the Third Proportional to 20,079 and 42,567

Step by Step Solution

1. Step 1: Write the proportion equation
   20,079 : 42,567 = 42,567 : x
2. Step 2: Convert to fraction form
   20,079/42,567 = 42,567/x
3. Step 3: Cross multiply
   20,079x = 42,567 × 42,567
4. Step 4: Simplify right side
   20,079x = 1,811,949,489
5. Step 5: Solve for x
   x = 1,811,949,489/20,079
6. Step 6: Final answer
   x = 90,241.02