Finding the Third Proportional to 308,976 and 467,818.50

Step by Step Solution

1. Step 1: Write the proportion equation
   308,976 : 467,818.50 = 467,818.50 : x
2. Step 2: Convert to fraction form
   308,976/467,818.50 = 467,818.50/x
3. Step 3: Cross multiply
   308,976x = 467,818.50 × 467,818.50
4. Step 4: Simplify right side
   308,976x = 218,854,148,942.25
5. Step 5: Solve for x
   x = 218,854,148,942.25/308,976
6. Step 6: Final answer
   x = 708,320.87