Finding the Third Proportional to 349,134 and 533,855.25

Step by Step Solution

1. Step 1: Write the proportion equation
   349,134 : 533,855.25 = 533,855.25 : x
2. Step 2: Convert to fraction form
   349,134/533,855.25 = 533,855.25/x
3. Step 3: Cross multiply
   349,134x = 533,855.25 × 533,855.25
4. Step 4: Simplify right side
   349,134x = 285,001,427,952.56
5. Step 5: Solve for x
   x = 285,001,427,952.56/349,134
6. Step 6: Final answer
   x = 816,309.58