Finding the Third Proportional to 356,017.50 and 551,072.25

Step by Step Solution

1. Step 1: Write the proportion equation
   356,017.50 : 551,072.25 = 551,072.25 : x
2. Step 2: Convert to fraction form
   356,017.50/551,072.25 = 551,072.25/x
3. Step 3: Cross multiply
   356,017.50x = 551,072.25 × 551,072.25
4. Step 4: Simplify right side
   356,017.50x = 303,680,624,720.06
5. Step 5: Solve for x
   x = 303,680,624,720.06/356,017.50
6. Step 6: Final answer
   x = 852,993.53