Finding the Third Proportional to 349,107 and 533,805.50

Step by Step Solution

1. Step 1: Write the proportion equation
   349,107 : 533,805.50 = 533,805.50 : x
2. Step 2: Convert to fraction form
   349,107/533,805.50 = 533,805.50/x
3. Step 3: Cross multiply
   349,107x = 533,805.50 × 533,805.50
4. Step 4: Simplify right side
   349,107x = 284,948,311,830.25
5. Step 5: Solve for x
   x = 284,948,311,830.25/349,107
6. Step 6: Final answer
   x = 816,220.56