Finding the Third Proportional to 364,245.50 and 551,449

Step by Step Solution

1. Step 1: Write the proportion equation
   364,245.50 : 551,449 = 551,449 : x
2. Step 2: Convert to fraction form
   364,245.50/551,449 = 551,449/x
3. Step 3: Cross multiply
   364,245.50x = 551,449 × 551,449
4. Step 4: Simplify right side
   364,245.50x = 304,095,999,601
5. Step 5: Solve for x
   x = 304,095,999,601/364,245.50
6. Step 6: Final answer
   x = 834,865.49