Finding the Third Proportional to 570,537 and 888,520.50

Step by Step Solution

1. Step 1: Write the proportion equation
   570,537 : 888,520.50 = 888,520.50 : x
2. Step 2: Convert to fraction form
   570,537/888,520.50 = 888,520.50/x
3. Step 3: Cross multiply
   570,537x = 888,520.50 × 888,520.50
4. Step 4: Simplify right side
   570,537x = 789,468,678,920.25
5. Step 5: Solve for x
   x = 789,468,678,920.25/570,537
6. Step 6: Final answer
   x = 1,383,729.15