Finding the Third Proportional to 42,568 and 90,928

Step by Step Solution

1. Step 1: Write the proportion equation
   42,568 : 90,928 = 90,928 : x
2. Step 2: Convert to fraction form
   42,568/90,928 = 90,928/x
3. Step 3: Cross multiply
   42,568x = 90,928 × 90,928
4. Step 4: Simplify right side
   42,568x = 8,267,901,184
5. Step 5: Solve for x
   x = 8,267,901,184/42,568
6. Step 6: Final answer
   x = 194,228.09