Finding the Third Proportional to 116,210 and 245,476

Step by Step Solution

1. Step 1: Write the proportion equation
   116,210 : 245,476 = 245,476 : x
2. Step 2: Convert to fraction form
   116,210/245,476 = 245,476/x
3. Step 3: Cross multiply
   116,210x = 245,476 × 245,476
4. Step 4: Simplify right side
   116,210x = 60,258,466,576
5. Step 5: Solve for x
   x = 60,258,466,576/116,210
6. Step 6: Final answer
   x = 518,530.82