Finding the Third Proportional to 436,822.50 and 670,494

Step by Step Solution

1. Step 1: Write the proportion equation
   436,822.50 : 670,494 = 670,494 : x
2. Step 2: Convert to fraction form
   436,822.50/670,494 = 670,494/x
3. Step 3: Cross multiply
   436,822.50x = 670,494 × 670,494
4. Step 4: Simplify right side
   436,822.50x = 449,562,204,036
5. Step 5: Solve for x
   x = 449,562,204,036/436,822.50
6. Step 6: Final answer
   x = 1,029,164.49