Finding the Third Proportional to 312,027 and 670,732.50

Step by Step Solution

1. Step 1: Write the proportion equation
   312,027 : 670,732.50 = 670,732.50 : x
2. Step 2: Convert to fraction form
   312,027/670,732.50 = 670,732.50/x
3. Step 3: Cross multiply
   312,027x = 670,732.50 × 670,732.50
4. Step 4: Simplify right side
   312,027x = 449,882,086,556.25
5. Step 5: Solve for x
   x = 449,882,086,556.25/312,027
6. Step 6: Final answer
   x = 1,441,804.99