Finding the Third Proportional to 58,642 and 123,044

Step by Step Solution

1. Step 1: Write the proportion equation
   58,642 : 123,044 = 123,044 : x
2. Step 2: Convert to fraction form
   58,642/123,044 = 123,044/x
3. Step 3: Cross multiply
   58,642x = 123,044 × 123,044
4. Step 4: Simplify right side
   58,642x = 15,139,825,936
5. Step 5: Solve for x
   x = 15,139,825,936/58,642
6. Step 6: Final answer
   x = 258,173.77