Finding the Third Proportional to 548,022 and 819,805.50

Step by Step Solution

1. Step 1: Write the proportion equation
   548,022 : 819,805.50 = 819,805.50 : x
2. Step 2: Convert to fraction form
   548,022/819,805.50 = 819,805.50/x
3. Step 3: Cross multiply
   548,022x = 819,805.50 × 819,805.50
4. Step 4: Simplify right side
   548,022x = 672,081,057,830.25
5. Step 5: Solve for x
   x = 672,081,057,830.25/548,022
6. Step 6: Final answer
   x = 1,226,376.05