Finding the Third Proportional to 58,111.50 and 122,751

Step by Step Solution

1. Step 1: Write the proportion equation
   58,111.50 : 122,751 = 122,751 : x
2. Step 2: Convert to fraction form
   58,111.50/122,751 = 122,751/x
3. Step 3: Cross multiply
   58,111.50x = 122,751 × 122,751
4. Step 4: Simplify right side
   58,111.50x = 15,067,808,001
5. Step 5: Solve for x
   x = 15,067,808,001/58,111.50
6. Step 6: Final answer
   x = 259,291.33