Finding the Third Proportional to 31,158 and 49,005

Step by Step Solution

1. Step 1: Write the proportion equation
   31,158 : 49,005 = 49,005 : x
2. Step 2: Convert to fraction form
   31,158/49,005 = 49,005/x
3. Step 3: Cross multiply
   31,158x = 49,005 × 49,005
4. Step 4: Simplify right side
   31,158x = 2,401,490,025
5. Step 5: Solve for x
   x = 2,401,490,025/31,158
6. Step 6: Final answer
   x = 77,074.59