Finding the Third Proportional to 27,797 and 42,997

Step by Step Solution

1. Step 1: Write the proportion equation
   27,797 : 42,997 = 42,997 : x
2. Step 2: Convert to fraction form
   27,797/42,997 = 42,997/x
3. Step 3: Cross multiply
   27,797x = 42,997 × 42,997
4. Step 4: Simplify right side
   27,797x = 1,848,742,009
5. Step 5: Solve for x
   x = 1,848,742,009/27,797
6. Step 6: Final answer
   x = 66,508.69