Finding the Third Proportional to 349,110 and 533,815.31

Step by Step Solution

1. Step 1: Write the proportion equation
   349,110 : 533,815.31 = 533,815.31 : x
2. Step 2: Convert to fraction form
   349,110/533,815.31 = 533,815.31/x
3. Step 3: Cross multiply
   349,110x = 533,815.31 × 533,815.31
4. Step 4: Simplify right side
   349,110x = 284,958,787,859.47
5. Step 5: Solve for x
   x = 284,958,787,859.47/349,110
6. Step 6: Final answer
   x = 816,243.56