Finding the Third Proportional to 368,372 and 550,284.50

Step by Step Solution

1. Step 1: Write the proportion equation
   368,372 : 550,284.50 = 550,284.50 : x
2. Step 2: Convert to fraction form
   368,372/550,284.50 = 550,284.50/x
3. Step 3: Cross multiply
   368,372x = 550,284.50 × 550,284.50
4. Step 4: Simplify right side
   368,372x = 302,813,030,940.25
5. Step 5: Solve for x
   x = 302,813,030,940.25/368,372
6. Step 6: Final answer
   x = 822,030.53