Finding the Third Proportional to 612,576 and 1,345,856

Step by Step Solution

1. Step 1: Write the proportion equation
   612,576 : 1,345,856 = 1,345,856 : x
2. Step 2: Convert to fraction form
   612,576/1,345,856 = 1,345,856/x
3. Step 3: Cross multiply
   612,576x = 1,345,856 × 1,345,856
4. Step 4: Simplify right side
   612,576x = 1,811,328,372,736
5. Step 5: Solve for x
   x = 1,811,328,372,736/612,576
6. Step 6: Final answer
   x = 2,956,903.92