Finding the Third Proportional to 42,228 and 91,757.25

Step by Step Solution

1. Step 1: Write the proportion equation
   42,228 : 91,757.25 = 91,757.25 : x
2. Step 2: Convert to fraction form
   42,228/91,757.25 = 91,757.25/x
3. Step 3: Cross multiply
   42,228x = 91,757.25 × 91,757.25
4. Step 4: Simplify right side
   42,228x = 8,419,392,927.56
5. Step 5: Solve for x
   x = 8,419,392,927.56/42,228
6. Step 6: Final answer
   x = 199,379.39