Finding the Third Proportional to 561,564 and 1,325,664

Step by Step Solution

1. Step 1: Write the proportion equation
   561,564 : 1,325,664 = 1,325,664 : x
2. Step 2: Convert to fraction form
   561,564/1,325,664 = 1,325,664/x
3. Step 3: Cross multiply
   561,564x = 1,325,664 × 1,325,664
4. Step 4: Simplify right side
   561,564x = 1,757,385,040,896
5. Step 5: Solve for x
   x = 1,757,385,040,896/561,564
6. Step 6: Final answer
   x = 3,129,447.47