Finding the Third Proportional to 778,865 and 1,674,072

Step by Step Solution

1. Step 1: Write the proportion equation
   778,865 : 1,674,072 = 1,674,072 : x
2. Step 2: Convert to fraction form
   778,865/1,674,072 = 1,674,072/x
3. Step 3: Cross multiply
   778,865x = 1,674,072 × 1,674,072
4. Step 4: Simplify right side
   778,865x = 2,802,517,061,184
5. Step 5: Solve for x
   x = 2,802,517,061,184/778,865
6. Step 6: Final answer
   x = 3,598,206.44