Finding the Third Proportional to 20,961 and 31,973

Step by Step Solution

1. Step 1: Write the proportion equation
   20,961 : 31,973 = 31,973 : x
2. Step 2: Convert to fraction form
   20,961/31,973 = 31,973/x
3. Step 3: Cross multiply
   20,961x = 31,973 × 31,973
4. Step 4: Simplify right side
   20,961x = 1,022,272,729
5. Step 5: Solve for x
   x = 1,022,272,729/20,961
6. Step 6: Final answer
   x = 48,770.23