Finding the Third Proportional to 355,825.50 and 550,368

Step by Step Solution

1. Step 1: Write the proportion equation
   355,825.50 : 550,368 = 550,368 : x
2. Step 2: Convert to fraction form
   355,825.50/550,368 = 550,368/x
3. Step 3: Cross multiply
   355,825.50x = 550,368 × 550,368
4. Step 4: Simplify right side
   355,825.50x = 302,904,935,424
5. Step 5: Solve for x
   x = 302,904,935,424/355,825.50
6. Step 6: Final answer
   x = 851,273.83