Finding the Third Proportional to 58,231.50 and 124,089

Step by Step Solution

1. Step 1: Write the proportion equation
   58,231.50 : 124,089 = 124,089 : x
2. Step 2: Convert to fraction form
   58,231.50/124,089 = 124,089/x
3. Step 3: Cross multiply
   58,231.50x = 124,089 × 124,089
4. Step 4: Simplify right side
   58,231.50x = 15,398,079,921
5. Step 5: Solve for x
   x = 15,398,079,921/58,231.50
6. Step 6: Final answer
   x = 264,428.70