Finding the Third Proportional to 54,274 and 84,030

Step by Step Solution

1. Step 1: Write the proportion equation
   54,274 : 84,030 = 84,030 : x
2. Step 2: Convert to fraction form
   54,274/84,030 = 84,030/x
3. Step 3: Cross multiply
   54,274x = 84,030 × 84,030
4. Step 4: Simplify right side
   54,274x = 7,061,040,900
5. Step 5: Solve for x
   x = 7,061,040,900/54,274
6. Step 6: Final answer
   x = 130,099.88