Finding the Third Proportional to 362,504 and 551,436

Step by Step Solution

1. Step 1: Write the proportion equation
   362,504 : 551,436 = 551,436 : x
2. Step 2: Convert to fraction form
   362,504/551,436 = 551,436/x
3. Step 3: Cross multiply
   362,504x = 551,436 × 551,436
4. Step 4: Simplify right side
   362,504x = 304,081,662,096
5. Step 5: Solve for x
   x = 304,081,662,096/362,504
6. Step 6: Final answer
   x = 838,836.71