Finding the Third Proportional to 55,558.50 and 119,805

Step by Step Solution

1. Step 1: Write the proportion equation
   55,558.50 : 119,805 = 119,805 : x
2. Step 2: Convert to fraction form
   55,558.50/119,805 = 119,805/x
3. Step 3: Cross multiply
   55,558.50x = 119,805 × 119,805
4. Step 4: Simplify right side
   55,558.50x = 14,353,238,025
5. Step 5: Solve for x
   x = 14,353,238,025/55,558.50
6. Step 6: Final answer
   x = 258,344.59