Finding the Third Proportional to 144,783 and 222,655.50

Step by Step Solution

1. Step 1: Write the proportion equation
   144,783 : 222,655.50 = 222,655.50 : x
2. Step 2: Convert to fraction form
   144,783/222,655.50 = 222,655.50/x
3. Step 3: Cross multiply
   144,783x = 222,655.50 × 222,655.50
4. Step 4: Simplify right side
   144,783x = 49,575,471,680.25
5. Step 5: Solve for x
   x = 49,575,471,680.25/144,783
6. Step 6: Final answer
   x = 342,412.24