Finding the Third Proportional to 31,440 and 49,074

Step by Step Solution

1. Step 1: Write the proportion equation
   31,440 : 49,074 = 49,074 : x
2. Step 2: Convert to fraction form
   31,440/49,074 = 49,074/x
3. Step 3: Cross multiply
   31,440x = 49,074 × 49,074
4. Step 4: Simplify right side
   31,440x = 2,408,257,476
5. Step 5: Solve for x
   x = 2,408,257,476/31,440
6. Step 6: Final answer
   x = 76,598.52