Finding the Third Proportional to 31,087 and 49,300

Step by Step Solution

1. Step 1: Write the proportion equation
   31,087 : 49,300 = 49,300 : x
2. Step 2: Convert to fraction form
   31,087/49,300 = 49,300/x
3. Step 3: Cross multiply
   31,087x = 49,300 × 49,300
4. Step 4: Simplify right side
   31,087x = 2,430,490,000
5. Step 5: Solve for x
   x = 2,430,490,000/31,087
6. Step 6: Final answer
   x = 78,183.49