Finding the Third Proportional to 144,639 and 223,926

Step by Step Solution

1. Step 1: Write the proportion equation
   144,639 : 223,926 = 223,926 : x
2. Step 2: Convert to fraction form
   144,639/223,926 = 223,926/x
3. Step 3: Cross multiply
   144,639x = 223,926 × 223,926
4. Step 4: Simplify right side
   144,639x = 50,142,853,476
5. Step 5: Solve for x
   x = 50,142,853,476/144,639
6. Step 6: Final answer
   x = 346,675.89