Finding the Third Proportional to 145,600.50 and 298,257

Step by Step Solution

1. Step 1: Write the proportion equation
   145,600.50 : 298,257 = 298,257 : x
2. Step 2: Convert to fraction form
   145,600.50/298,257 = 298,257/x
3. Step 3: Cross multiply
   145,600.50x = 298,257 × 298,257
4. Step 4: Simplify right side
   145,600.50x = 88,957,238,049
5. Step 5: Solve for x
   x = 88,957,238,049/145,600.50
6. Step 6: Final answer
   x = 610,967.94