Finding the Third Proportional to 544,620 and 824,314.50

Step by Step Solution

1. Step 1: Write the proportion equation
   544,620 : 824,314.50 = 824,314.50 : x
2. Step 2: Convert to fraction form
   544,620/824,314.50 = 824,314.50/x
3. Step 3: Cross multiply
   544,620x = 824,314.50 × 824,314.50
4. Step 4: Simplify right side
   544,620x = 679,494,394,910.25
5. Step 5: Solve for x
   x = 679,494,394,910.25/544,620
6. Step 6: Final answer
   x = 1,247,648.63