Finding the Third Proportional to 829,068 and 1,280,242

Step by Step Solution

1. Step 1: Write the proportion equation
   829,068 : 1,280,242 = 1,280,242 : x
2. Step 2: Convert to fraction form
   829,068/1,280,242 = 1,280,242/x
3. Step 3: Cross multiply
   829,068x = 1,280,242 × 1,280,242
4. Step 4: Simplify right side
   829,068x = 1,639,019,578,564
5. Step 5: Solve for x
   x = 1,639,019,578,564/829,068
6. Step 6: Final answer
   x = 1,976,942.28