Finding the Third Proportional to 142,701.75 and 222,223.50

Step by Step Solution

1. Step 1: Write the proportion equation
   142,701.75 : 222,223.50 = 222,223.50 : x
2. Step 2: Convert to fraction form
   142,701.75/222,223.50 = 222,223.50/x
3. Step 3: Cross multiply
   142,701.75x = 222,223.50 × 222,223.50
4. Step 4: Simplify right side
   142,701.75x = 49,383,283,952.25
5. Step 5: Solve for x
   x = 49,383,283,952.25/142,701.75
6. Step 6: Final answer
   x = 346,059.41