Finding the Third Proportional to 261,214.50 and 533,499

Step by Step Solution

1. Step 1: Write the proportion equation
   261,214.50 : 533,499 = 533,499 : x
2. Step 2: Convert to fraction form
   261,214.50/533,499 = 533,499/x
3. Step 3: Cross multiply
   261,214.50x = 533,499 × 533,499
4. Step 4: Simplify right side
   261,214.50x = 284,621,183,001
5. Step 5: Solve for x
   x = 284,621,183,001/261,214.50
6. Step 6: Final answer
   x = 1,089,607.14