Finding the Third Proportional to 116,223 and 245,502

Step by Step Solution

1. Step 1: Write the proportion equation
   116,223 : 245,502 = 245,502 : x
2. Step 2: Convert to fraction form
   116,223/245,502 = 245,502/x
3. Step 3: Cross multiply
   116,223x = 245,502 × 245,502
4. Step 4: Simplify right side
   116,223x = 60,271,232,004
5. Step 5: Solve for x
   x = 60,271,232,004/116,223
6. Step 6: Final answer
   x = 518,582.66