Finding the Third Proportional to 143,333 and 222,390.50

Step by Step Solution

1. Step 1: Write the proportion equation
   143,333 : 222,390.50 = 222,390.50 : x
2. Step 2: Convert to fraction form
   143,333/222,390.50 = 222,390.50/x
3. Step 3: Cross multiply
   143,333x = 222,390.50 × 222,390.50
4. Step 4: Simplify right side
   143,333x = 49,457,534,490.25
5. Step 5: Solve for x
   x = 49,457,534,490.25/143,333
6. Step 6: Final answer
   x = 345,053.37