Finding the Third Proportional to 142,494 and 222,367

Step by Step Solution

1. Step 1: Write the proportion equation
   142,494 : 222,367 = 222,367 : x
2. Step 2: Convert to fraction form
   142,494/222,367 = 222,367/x
3. Step 3: Cross multiply
   142,494x = 222,367 × 222,367
4. Step 4: Simplify right side
   142,494x = 49,447,082,689
5. Step 5: Solve for x
   x = 49,447,082,689/142,494
6. Step 6: Final answer
   x = 347,011.68