Finding the Third Proportional to 35,311 and 49,390

Step by Step Solution

1. Step 1: Write the proportion equation
   35,311 : 49,390 = 49,390 : x
2. Step 2: Convert to fraction form
   35,311/49,390 = 49,390/x
3. Step 3: Cross multiply
   35,311x = 49,390 × 49,390
4. Step 4: Simplify right side
   35,311x = 2,439,372,100
5. Step 5: Solve for x
   x = 2,439,372,100/35,311
6. Step 6: Final answer
   x = 69,082.50