Finding the Third Proportional to 869,753 and 1,224,804

Step by Step Solution

1. Step 1: Write the proportion equation
   869,753 : 1,224,804 = 1,224,804 : x
2. Step 2: Convert to fraction form
   869,753/1,224,804 = 1,224,804/x
3. Step 3: Cross multiply
   869,753x = 1,224,804 × 1,224,804
4. Step 4: Simplify right side
   869,753x = 1,500,144,838,416
5. Step 5: Solve for x
   x = 1,500,144,838,416/869,753
6. Step 6: Final answer
   x = 1,724,794.09