Finding the Third Proportional to 20,072 and 31,063

Step by Step Solution

1. Step 1: Write the proportion equation
   20,072 : 31,063 = 31,063 : x
2. Step 2: Convert to fraction form
   20,072/31,063 = 31,063/x
3. Step 3: Cross multiply
   20,072x = 31,063 × 31,063
4. Step 4: Simplify right side
   20,072x = 964,909,969
5. Step 5: Solve for x
   x = 964,909,969/20,072
6. Step 6: Final answer
   x = 48,072.44