Finding the Third Proportional to 328,767 and 495,040.50

Step by Step Solution

1. Step 1: Write the proportion equation
   328,767 : 495,040.50 = 495,040.50 : x
2. Step 2: Convert to fraction form
   328,767/495,040.50 = 495,040.50/x
3. Step 3: Cross multiply
   328,767x = 495,040.50 × 495,040.50
4. Step 4: Simplify right side
   328,767x = 245,065,096,640.25
5. Step 5: Solve for x
   x = 245,065,096,640.25/328,767
6. Step 6: Final answer
   x = 745,406.62