Finding the Third Proportional to 116,479.50 and 248,211

Step by Step Solution

1. Step 1: Write the proportion equation
   116,479.50 : 248,211 = 248,211 : x
2. Step 2: Convert to fraction form
   116,479.50/248,211 = 248,211/x
3. Step 3: Cross multiply
   116,479.50x = 248,211 × 248,211
4. Step 4: Simplify right side
   116,479.50x = 61,608,700,521
5. Step 5: Solve for x
   x = 61,608,700,521/116,479.50
6. Step 6: Final answer
   x = 528,923.12