Finding the Third Proportional to 144,479.50 and 222,392

Step by Step Solution

1. Step 1: Write the proportion equation
   144,479.50 : 222,392 = 222,392 : x
2. Step 2: Convert to fraction form
   144,479.50/222,392 = 222,392/x
3. Step 3: Cross multiply
   144,479.50x = 222,392 × 222,392
4. Step 4: Simplify right side
   144,479.50x = 49,458,201,664
5. Step 5: Solve for x
   x = 49,458,201,664/144,479.50
6. Step 6: Final answer
   x = 342,319.86