Finding the Third Proportional to 23,290 and 54,958

Step by Step Solution

1. Step 1: Write the proportion equation
   23,290 : 54,958 = 54,958 : x
2. Step 2: Convert to fraction form
   23,290/54,958 = 54,958/x
3. Step 3: Cross multiply
   23,290x = 54,958 × 54,958
4. Step 4: Simplify right side
   23,290x = 3,020,381,764
5. Step 5: Solve for x
   x = 3,020,381,764/23,290
6. Step 6: Final answer
   x = 129,685.78