Finding the Third Proportional to 121,082 and 247,510

Step by Step Solution

1. Step 1: Write the proportion equation
   121,082 : 247,510 = 247,510 : x
2. Step 2: Convert to fraction form
   121,082/247,510 = 247,510/x
3. Step 3: Cross multiply
   121,082x = 247,510 × 247,510
4. Step 4: Simplify right side
   121,082x = 61,261,200,100
5. Step 5: Solve for x
   x = 61,261,200,100/121,082
6. Step 6: Final answer
   x = 505,948.04