Finding the Third Proportional to 144,549 and 222,461.50

Step by Step Solution

1. Step 1: Write the proportion equation
   144,549 : 222,461.50 = 222,461.50 : x
2. Step 2: Convert to fraction form
   144,549/222,461.50 = 222,461.50/x
3. Step 3: Cross multiply
   144,549x = 222,461.50 × 222,461.50
4. Step 4: Simplify right side
   144,549x = 49,489,118,982.25
5. Step 5: Solve for x
   x = 49,489,118,982.25/144,549
6. Step 6: Final answer
   x = 342,369.15