Finding the Third Proportional to 116,228 and 248,323

Step by Step Solution

1. Step 1: Write the proportion equation
   116,228 : 248,323 = 248,323 : x
2. Step 2: Convert to fraction form
   116,228/248,323 = 248,323/x
3. Step 3: Cross multiply
   116,228x = 248,323 × 248,323
4. Step 4: Simplify right side
   116,228x = 61,664,312,329
5. Step 5: Solve for x
   x = 61,664,312,329/116,228
6. Step 6: Final answer
   x = 530,546.10