Finding the Third Proportional to 19,709 and 28,986

Step by Step Solution

1. Step 1: Write the proportion equation
   19,709 : 28,986 = 28,986 : x
2. Step 2: Convert to fraction form
   19,709/28,986 = 28,986/x
3. Step 3: Cross multiply
   19,709x = 28,986 × 28,986
4. Step 4: Simplify right side
   19,709x = 840,188,196
5. Step 5: Solve for x
   x = 840,188,196/19,709
6. Step 6: Final answer
   x = 42,629.67