Finding the Third Proportional to 798,456 and 1,269,810

Step by Step Solution

1. Step 1: Write the proportion equation
   798,456 : 1,269,810 = 1,269,810 : x
2. Step 2: Convert to fraction form
   798,456/1,269,810 = 1,269,810/x
3. Step 3: Cross multiply
   798,456x = 1,269,810 × 1,269,810
4. Step 4: Simplify right side
   798,456x = 1,612,417,436,100
5. Step 5: Solve for x
   x = 1,612,417,436,100/798,456
6. Step 6: Final answer
   x = 2,019,419.27