Finding the Third Proportional to 288,950.25 and 383,404.50

Step by Step Solution

1. Step 1: Write the proportion equation
   288,950.25 : 383,404.50 = 383,404.50 : x
2. Step 2: Convert to fraction form
   288,950.25/383,404.50 = 383,404.50/x
3. Step 3: Cross multiply
   288,950.25x = 383,404.50 × 383,404.50
4. Step 4: Simplify right side
   288,950.25x = 146,999,010,620.25
5. Step 5: Solve for x
   x = 146,999,010,620.25/288,950.25
6. Step 6: Final answer
   x = 508,734.67