Finding the Third Proportional to 536,388 and 810,049.50

Step by Step Solution

1. Step 1: Write the proportion equation
   536,388 : 810,049.50 = 810,049.50 : x
2. Step 2: Convert to fraction form
   536,388/810,049.50 = 810,049.50/x
3. Step 3: Cross multiply
   536,388x = 810,049.50 × 810,049.50
4. Step 4: Simplify right side
   536,388x = 656,180,192,450.25
5. Step 5: Solve for x
   x = 656,180,192,450.25/536,388
6. Step 6: Final answer
   x = 1,223,331.23