Finding the Third Proportional to 55,104 and 82,443

Step by Step Solution

1. Step 1: Write the proportion equation
   55,104 : 82,443 = 82,443 : x
2. Step 2: Convert to fraction form
   55,104/82,443 = 82,443/x
3. Step 3: Cross multiply
   55,104x = 82,443 × 82,443
4. Step 4: Simplify right side
   55,104x = 6,796,848,249
5. Step 5: Solve for x
   x = 6,796,848,249/55,104
6. Step 6: Final answer
   x = 123,345.82