Finding the Third Proportional to 564,249.50 and 874,669

Step by Step Solution

1. Step 1: Write the proportion equation
   564,249.50 : 874,669 = 874,669 : x
2. Step 2: Convert to fraction form
   564,249.50/874,669 = 874,669/x
3. Step 3: Cross multiply
   564,249.50x = 874,669 × 874,669
4. Step 4: Simplify right side
   564,249.50x = 765,045,859,561
5. Step 5: Solve for x
   x = 765,045,859,561/564,249.50
6. Step 6: Final answer
   x = 1,355,864.49