Finding the Third Proportional to 42,303 and 100,218

Step by Step Solution

1. Step 1: Write the proportion equation
   42,303 : 100,218 = 100,218 : x
2. Step 2: Convert to fraction form
   42,303/100,218 = 100,218/x
3. Step 3: Cross multiply
   42,303x = 100,218 × 100,218
4. Step 4: Simplify right side
   42,303x = 10,043,647,524
5. Step 5: Solve for x
   x = 10,043,647,524/42,303
6. Step 6: Final answer
   x = 237,421.64