Finding the Third Proportional to 634,116 and 1,320,612

Step by Step Solution

1. Step 1: Write the proportion equation
   634,116 : 1,320,612 = 1,320,612 : x
2. Step 2: Convert to fraction form
   634,116/1,320,612 = 1,320,612/x
3. Step 3: Cross multiply
   634,116x = 1,320,612 × 1,320,612
4. Step 4: Simplify right side
   634,116x = 1,744,016,054,544
5. Step 5: Solve for x
   x = 1,744,016,054,544/634,116
6. Step 6: Final answer
   x = 2,750,310.75