Finding the Third Proportional to 564,825 and 880,582.50

Step by Step Solution

1. Step 1: Write the proportion equation
   564,825 : 880,582.50 = 880,582.50 : x
2. Step 2: Convert to fraction form
   564,825/880,582.50 = 880,582.50/x
3. Step 3: Cross multiply
   564,825x = 880,582.50 × 880,582.50
4. Step 4: Simplify right side
   564,825x = 775,425,539,306.25
5. Step 5: Solve for x
   x = 775,425,539,306.25/564,825
6. Step 6: Final answer
   x = 1,372,859.80