Finding the Third Proportional to 42,252 and 89,256

Step by Step Solution

1. Step 1: Write the proportion equation
   42,252 : 89,256 = 89,256 : x
2. Step 2: Convert to fraction form
   42,252/89,256 = 89,256/x
3. Step 3: Cross multiply
   42,252x = 89,256 × 89,256
4. Step 4: Simplify right side
   42,252x = 7,966,633,536
5. Step 5: Solve for x
   x = 7,966,633,536/42,252
6. Step 6: Final answer
   x = 188,550.45