Finding the Third Proportional to 456,471 and 667,804.50

Step by Step Solution

1. Step 1: Write the proportion equation
   456,471 : 667,804.50 = 667,804.50 : x
2. Step 2: Convert to fraction form
   456,471/667,804.50 = 667,804.50/x
3. Step 3: Cross multiply
   456,471x = 667,804.50 × 667,804.50
4. Step 4: Simplify right side
   456,471x = 445,962,850,220.25
5. Step 5: Solve for x
   x = 445,962,850,220.25/456,471
6. Step 6: Final answer
   x = 976,979.59