Finding the Third Proportional to 360,819 and 571,306.50

Step by Step Solution

1. Step 1: Write the proportion equation
   360,819 : 571,306.50 = 571,306.50 : x
2. Step 2: Convert to fraction form
   360,819/571,306.50 = 571,306.50/x
3. Step 3: Cross multiply
   360,819x = 571,306.50 × 571,306.50
4. Step 4: Simplify right side
   360,819x = 326,391,116,942.25
5. Step 5: Solve for x
   x = 326,391,116,942.25/360,819
6. Step 6: Final answer
   x = 904,584.06