Finding the Third Proportional to 218,996 and 242,036

Step by Step Solution

1. Step 1: Write the proportion equation
   218,996 : 242,036 = 242,036 : x
2. Step 2: Convert to fraction form
   218,996/242,036 = 242,036/x
3. Step 3: Cross multiply
   218,996x = 242,036 × 242,036
4. Step 4: Simplify right side
   218,996x = 58,581,425,296
5. Step 5: Solve for x
   x = 58,581,425,296/218,996
6. Step 6: Final answer
   x = 267,499.98