Finding the Third Proportional to 176,341 and 268,640.75

Step by Step Solution

1. Step 1: Write the proportion equation
   176,341 : 268,640.75 = 268,640.75 : x
2. Step 2: Convert to fraction form
   176,341/268,640.75 = 268,640.75/x
3. Step 3: Cross multiply
   176,341x = 268,640.75 × 268,640.75
4. Step 4: Simplify right side
   176,341x = 72,167,852,560.56
5. Step 5: Solve for x
   x = 72,167,852,560.56/176,341
6. Step 6: Final answer
   x = 409,251.69