Finding the Third Proportional to 42,264 and 89,243.38

Step by Step Solution

1. Step 1: Write the proportion equation
   42,264 : 89,243.38 = 89,243.38 : x
2. Step 2: Convert to fraction form
   42,264/89,243.38 = 89,243.38/x
3. Step 3: Cross multiply
   42,264x = 89,243.38 × 89,243.38
4. Step 4: Simplify right side
   42,264x = 7,964,379,981.39
5. Step 5: Solve for x
   x = 7,964,379,981.39/42,264
6. Step 6: Final answer
   x = 188,443.59