Finding the Third Proportional to 20,432 and 30,772

Step by Step Solution

1. Step 1: Write the proportion equation
   20,432 : 30,772 = 30,772 : x
2. Step 2: Convert to fraction form
   20,432/30,772 = 30,772/x
3. Step 3: Cross multiply
   20,432x = 30,772 × 30,772
4. Step 4: Simplify right side
   20,432x = 946,915,984
5. Step 5: Solve for x
   x = 946,915,984/20,432
6. Step 6: Final answer
   x = 46,344.75