Finding the Third Proportional to 42,381.50 and 57,494

Step by Step Solution

1. Step 1: Write the proportion equation
   42,381.50 : 57,494 = 57,494 : x
2. Step 2: Convert to fraction form
   42,381.50/57,494 = 57,494/x
3. Step 3: Cross multiply
   42,381.50x = 57,494 × 57,494
4. Step 4: Simplify right side
   42,381.50x = 3,305,560,036
5. Step 5: Solve for x
   x = 3,305,560,036/42,381.50
6. Step 6: Final answer
   x = 77,995.35