Finding the Third Proportional to 823,355 and 1,284,830

Step by Step Solution

1. Step 1: Write the proportion equation
   823,355 : 1,284,830 = 1,284,830 : x
2. Step 2: Convert to fraction form
   823,355/1,284,830 = 1,284,830/x
3. Step 3: Cross multiply
   823,355x = 1,284,830 × 1,284,830
4. Step 4: Simplify right side
   823,355x = 1,650,788,128,900
5. Step 5: Solve for x
   x = 1,650,788,128,900/823,355
6. Step 6: Final answer
   x = 2,004,953.06