Finding the Third Proportional to 89,267 and 210,367

Step by Step Solution

1. Step 1: Write the proportion equation
   89,267 : 210,367 = 210,367 : x
2. Step 2: Convert to fraction form
   89,267/210,367 = 210,367/x
3. Step 3: Cross multiply
   89,267x = 210,367 × 210,367
4. Step 4: Simplify right side
   89,267x = 44,254,274,689
5. Step 5: Solve for x
   x = 44,254,274,689/89,267
6. Step 6: Final answer
   x = 495,751.79