Finding the Third Proportional to 144,697.50 and 222,543

Step by Step Solution

1. Step 1: Write the proportion equation
   144,697.50 : 222,543 = 222,543 : x
2. Step 2: Convert to fraction form
   144,697.50/222,543 = 222,543/x
3. Step 3: Cross multiply
   144,697.50x = 222,543 × 222,543
4. Step 4: Simplify right side
   144,697.50x = 49,525,386,849
5. Step 5: Solve for x
   x = 49,525,386,849/144,697.50
6. Step 6: Final answer
   x = 342,268.43