Finding the Third Proportional to 42,321 and 100,267

Step by Step Solution

1. Step 1: Write the proportion equation
   42,321 : 100,267 = 100,267 : x
2. Step 2: Convert to fraction form
   42,321/100,267 = 100,267/x
3. Step 3: Cross multiply
   42,321x = 100,267 × 100,267
4. Step 4: Simplify right side
   42,321x = 10,053,471,289
5. Step 5: Solve for x
   x = 10,053,471,289/42,321
6. Step 6: Final answer
   x = 237,552.78