Finding the Third Proportional to 1,620,816 and 3,527,040

Step by Step Solution

1. Step 1: Write the proportion equation
   1,620,816 : 3,527,040 = 3,527,040 : x
2. Step 2: Convert to fraction form
   1,620,816/3,527,040 = 3,527,040/x
3. Step 3: Cross multiply
   1,620,816x = 3,527,040 × 3,527,040
4. Step 4: Simplify right side
   1,620,816x = 12,440,011,161,600
5. Step 5: Solve for x
   x = 12,440,011,161,600/1,620,816
6. Step 6: Final answer
   x = 7,675,153.23