Finding the Third Proportional to 175,378.50 and 264,330

Step by Step Solution

1. Step 1: Write the proportion equation
   175,378.50 : 264,330 = 264,330 : x
2. Step 2: Convert to fraction form
   175,378.50/264,330 = 264,330/x
3. Step 3: Cross multiply
   175,378.50x = 264,330 × 264,330
4. Step 4: Simplify right side
   175,378.50x = 69,870,348,900
5. Step 5: Solve for x
   x = 69,870,348,900/175,378.50
6. Step 6: Final answer
   x = 398,397.46