Finding the Third Proportional to 54,490 and 82,049

Step by Step Solution

1. Step 1: Write the proportion equation
   54,490 : 82,049 = 82,049 : x
2. Step 2: Convert to fraction form
   54,490/82,049 = 82,049/x
3. Step 3: Cross multiply
   54,490x = 82,049 × 82,049
4. Step 4: Simplify right side
   54,490x = 6,732,038,401
5. Step 5: Solve for x
   x = 6,732,038,401/54,490
6. Step 6: Final answer
   x = 123,546.31