Finding the Third Proportional to 869,768 and 1,224,822

Step by Step Solution

1. Step 1: Write the proportion equation
   869,768 : 1,224,822 = 1,224,822 : x
2. Step 2: Convert to fraction form
   869,768/1,224,822 = 1,224,822/x
3. Step 3: Cross multiply
   869,768x = 1,224,822 × 1,224,822
4. Step 4: Simplify right side
   869,768x = 1,500,188,931,684
5. Step 5: Solve for x
   x = 1,500,188,931,684/869,768
6. Step 6: Final answer
   x = 1,724,815.04