Finding the Third Proportional to 522,766 and 799,173.50

Step by Step Solution

1. Step 1: Write the proportion equation
   522,766 : 799,173.50 = 799,173.50 : x
2. Step 2: Convert to fraction form
   522,766/799,173.50 = 799,173.50/x
3. Step 3: Cross multiply
   522,766x = 799,173.50 × 799,173.50
4. Step 4: Simplify right side
   522,766x = 638,678,283,102.25
5. Step 5: Solve for x
   x = 638,678,283,102.25/522,766
6. Step 6: Final answer
   x = 1,221,728.81