Finding the Third Proportional to 142,496 and 222,370

Step by Step Solution

1. Step 1: Write the proportion equation
   142,496 : 222,370 = 222,370 : x
2. Step 2: Convert to fraction form
   142,496/222,370 = 222,370/x
3. Step 3: Cross multiply
   142,496x = 222,370 × 222,370
4. Step 4: Simplify right side
   142,496x = 49,448,416,900
5. Step 5: Solve for x
   x = 49,448,416,900/142,496
6. Step 6: Final answer
   x = 347,016.18