Finding the Third Proportional to 42,289 and 90,957

Step by Step Solution

1. Step 1: Write the proportion equation
   42,289 : 90,957 = 90,957 : x
2. Step 2: Convert to fraction form
   42,289/90,957 = 90,957/x
3. Step 3: Cross multiply
   42,289x = 90,957 × 90,957
4. Step 4: Simplify right side
   42,289x = 8,273,175,849
5. Step 5: Solve for x
   x = 8,273,175,849/42,289
6. Step 6: Final answer
   x = 195,634.23