Finding the Third Proportional to 261,216.50 and 533,502

Step by Step Solution

1. Step 1: Write the proportion equation
   261,216.50 : 533,502 = 533,502 : x
2. Step 2: Convert to fraction form
   261,216.50/533,502 = 533,502/x
3. Step 3: Cross multiply
   261,216.50x = 533,502 × 533,502
4. Step 4: Simplify right side
   261,216.50x = 284,624,384,004
5. Step 5: Solve for x
   x = 284,624,384,004/261,216.50
6. Step 6: Final answer
   x = 1,089,611.05