Finding the Third Proportional to 42,081 and 90,723

Step by Step Solution

1. Step 1: Write the proportion equation
   42,081 : 90,723 = 90,723 : x
2. Step 2: Convert to fraction form
   42,081/90,723 = 90,723/x
3. Step 3: Cross multiply
   42,081x = 90,723 × 90,723
4. Step 4: Simplify right side
   42,081x = 8,230,662,729
5. Step 5: Solve for x
   x = 8,230,662,729/42,081
6. Step 6: Final answer
   x = 195,590.95