Finding the Third Proportional to 20,849.50 and 42,548

Step by Step Solution

1. Step 1: Write the proportion equation
   20,849.50 : 42,548 = 42,548 : x
2. Step 2: Convert to fraction form
   20,849.50/42,548 = 42,548/x
3. Step 3: Cross multiply
   20,849.50x = 42,548 × 42,548
4. Step 4: Simplify right side
   20,849.50x = 1,810,332,304
5. Step 5: Solve for x
   x = 1,810,332,304/20,849.50
6. Step 6: Final answer
   x = 86,828.57