Finding the Third Proportional to 778,576 and 1,673,550

Step by Step Solution

1. Step 1: Write the proportion equation
   778,576 : 1,673,550 = 1,673,550 : x
2. Step 2: Convert to fraction form
   778,576/1,673,550 = 1,673,550/x
3. Step 3: Cross multiply
   778,576x = 1,673,550 × 1,673,550
4. Step 4: Simplify right side
   778,576x = 2,800,769,602,500
5. Step 5: Solve for x
   x = 2,800,769,602,500/778,576
6. Step 6: Final answer
   x = 3,597,297.63