Finding the Third Proportional to 144,570 and 222,484.50

Step by Step Solution

1. Step 1: Write the proportion equation
   144,570 : 222,484.50 = 222,484.50 : x
2. Step 2: Convert to fraction form
   144,570/222,484.50 = 222,484.50/x
3. Step 3: Cross multiply
   144,570x = 222,484.50 × 222,484.50
4. Step 4: Simplify right side
   144,570x = 49,499,352,740.25
5. Step 5: Solve for x
   x = 49,499,352,740.25/144,570
6. Step 6: Final answer
   x = 342,390.21