Finding the Third Proportional to 328,096 and 469,176.50

Step by Step Solution

1. Step 1: Write the proportion equation
   328,096 : 469,176.50 = 469,176.50 : x
2. Step 2: Convert to fraction form
   328,096/469,176.50 = 469,176.50/x
3. Step 3: Cross multiply
   328,096x = 469,176.50 × 469,176.50
4. Step 4: Simplify right side
   328,096x = 220,126,588,152.25
5. Step 5: Solve for x
   x = 220,126,588,152.25/328,096
6. Step 6: Final answer
   x = 670,921.28