Finding the Third Proportional to 15,700 and 17,932

Step by Step Solution

1. Step 1: Write the proportion equation
   15,700 : 17,932 = 17,932 : x
2. Step 2: Convert to fraction form
   15,700/17,932 = 17,932/x
3. Step 3: Cross multiply
   15,700x = 17,932 × 17,932
4. Step 4: Simplify right side
   15,700x = 321,556,624
5. Step 5: Solve for x
   x = 321,556,624/15,700
6. Step 6: Final answer
   x = 20,481.31