Finding the Third Proportional to 361,393 and 536,857.50

Step by Step Solution

1. Step 1: Write the proportion equation
   361,393 : 536,857.50 = 536,857.50 : x
2. Step 2: Convert to fraction form
   361,393/536,857.50 = 536,857.50/x
3. Step 3: Cross multiply
   361,393x = 536,857.50 × 536,857.50
4. Step 4: Simplify right side
   361,393x = 288,215,975,306.25
5. Step 5: Solve for x
   x = 288,215,975,306.25/361,393
6. Step 6: Final answer
   x = 797,514.00