Finding the Third Proportional to 116,974 and 248,530

Step by Step Solution

1. Step 1: Write the proportion equation
   116,974 : 248,530 = 248,530 : x
2. Step 2: Convert to fraction form
   116,974/248,530 = 248,530/x
3. Step 3: Cross multiply
   116,974x = 248,530 × 248,530
4. Step 4: Simplify right side
   116,974x = 61,767,160,900
5. Step 5: Solve for x
   x = 61,767,160,900/116,974
6. Step 6: Final answer
   x = 528,041.79