Finding the Third Proportional to 1,620,916 and 3,527,240

Step by Step Solution

1. Step 1: Write the proportion equation
   1,620,916 : 3,527,240 = 3,527,240 : x
2. Step 2: Convert to fraction form
   1,620,916/3,527,240 = 3,527,240/x
3. Step 3: Cross multiply
   1,620,916x = 3,527,240 × 3,527,240
4. Step 4: Simplify right side
   1,620,916x = 12,441,422,017,600
5. Step 5: Solve for x
   x = 12,441,422,017,600/1,620,916
6. Step 6: Final answer
   x = 7,675,550.13