Finding the Third Proportional to 869,751 and 1,224,801

Step by Step Solution

1. Step 1: Write the proportion equation
   869,751 : 1,224,801 = 1,224,801 : x
2. Step 2: Convert to fraction form
   869,751/1,224,801 = 1,224,801/x
3. Step 3: Cross multiply
   869,751x = 1,224,801 × 1,224,801
4. Step 4: Simplify right side
   869,751x = 1,500,137,489,601
5. Step 5: Solve for x
   x = 1,500,137,489,601/869,751
6. Step 6: Final answer
   x = 1,724,789.61