Finding the Third Proportional to 369,039 and 551,635.50

Step by Step Solution

1. Step 1: Write the proportion equation
   369,039 : 551,635.50 = 551,635.50 : x
2. Step 2: Convert to fraction form
   369,039/551,635.50 = 551,635.50/x
3. Step 3: Cross multiply
   369,039x = 551,635.50 × 551,635.50
4. Step 4: Simplify right side
   369,039x = 304,301,724,860.25
5. Step 5: Solve for x
   x = 304,301,724,860.25/369,039
6. Step 6: Final answer
   x = 824,578.77