Finding the Third Proportional to 42,338 and 91,057

Step by Step Solution

1. Step 1: Write the proportion equation
   42,338 : 91,057 = 91,057 : x
2. Step 2: Convert to fraction form
   42,338/91,057 = 91,057/x
3. Step 3: Cross multiply
   42,338x = 91,057 × 91,057
4. Step 4: Simplify right side
   42,338x = 8,291,377,249
5. Step 5: Solve for x
   x = 8,291,377,249/42,338
6. Step 6: Final answer
   x = 195,837.72