Finding the Third Proportional to 1,601,216 and 3,517,360

Step by Step Solution

1. Step 1: Write the proportion equation
   1,601,216 : 3,517,360 = 3,517,360 : x
2. Step 2: Convert to fraction form
   1,601,216/3,517,360 = 3,517,360/x
3. Step 3: Cross multiply
   1,601,216x = 3,517,360 × 3,517,360
4. Step 4: Simplify right side
   1,601,216x = 12,371,821,369,600
5. Step 5: Solve for x
   x = 12,371,821,369,600/1,601,216
6. Step 6: Final answer
   x = 7,726,516.20