Finding the Third Proportional to 144,380 and 223,134

Step by Step Solution

1. Step 1: Write the proportion equation
   144,380 : 223,134 = 223,134 : x
2. Step 2: Convert to fraction form
   144,380/223,134 = 223,134/x
3. Step 3: Cross multiply
   144,380x = 223,134 × 223,134
4. Step 4: Simplify right side
   144,380x = 49,788,781,956
5. Step 5: Solve for x
   x = 49,788,781,956/144,380
6. Step 6: Final answer
   x = 344,845.42