Finding the Third Proportional to 1,220,240 and 2,629,116

Step by Step Solution

1. Step 1: Write the proportion equation
   1,220,240 : 2,629,116 = 2,629,116 : x
2. Step 2: Convert to fraction form
   1,220,240/2,629,116 = 2,629,116/x
3. Step 3: Cross multiply
   1,220,240x = 2,629,116 × 2,629,116
4. Step 4: Simplify right side
   1,220,240x = 6,912,250,941,456
5. Step 5: Solve for x
   x = 6,912,250,941,456/1,220,240
6. Step 6: Final answer
   x = 5,664,665.10