Finding the Third Proportional to 123,210 and 179,971

Step by Step Solution

1. Step 1: Write the proportion equation
   123,210 : 179,971 = 179,971 : x
2. Step 2: Convert to fraction form
   123,210/179,971 = 179,971/x
3. Step 3: Cross multiply
   123,210x = 179,971 × 179,971
4. Step 4: Simplify right side
   123,210x = 32,389,560,841
5. Step 5: Solve for x
   x = 32,389,560,841/123,210
6. Step 6: Final answer
   x = 262,880.94