Finding the Third Proportional to 21,700 and 31,692

Step by Step Solution

1. Step 1: Write the proportion equation
   21,700 : 31,692 = 31,692 : x
2. Step 2: Convert to fraction form
   21,700/31,692 = 31,692/x
3. Step 3: Cross multiply
   21,700x = 31,692 × 31,692
4. Step 4: Simplify right side
   21,700x = 1,004,382,864
5. Step 5: Solve for x
   x = 1,004,382,864/21,700
6. Step 6: Final answer
   x = 46,284.92