Finding the Third Proportional to 349,012 and 533,668.50

Step by Step Solution

1. Step 1: Write the proportion equation
   349,012 : 533,668.50 = 533,668.50 : x
2. Step 2: Convert to fraction form
   349,012/533,668.50 = 533,668.50/x
3. Step 3: Cross multiply
   349,012x = 533,668.50 × 533,668.50
4. Step 4: Simplify right side
   349,012x = 284,802,067,892.25
5. Step 5: Solve for x
   x = 284,802,067,892.25/349,012
6. Step 6: Final answer
   x = 816,023.71