Finding the Third Proportional to 1,620,936 and 3,527,288

Step by Step Solution

1. Step 1: Write the proportion equation
   1,620,936 : 3,527,288 = 3,527,288 : x
2. Step 2: Convert to fraction form
   1,620,936/3,527,288 = 3,527,288/x
3. Step 3: Cross multiply
   1,620,936x = 3,527,288 × 3,527,288
4. Step 4: Simplify right side
   1,620,936x = 12,441,760,634,944
5. Step 5: Solve for x
   x = 12,441,760,634,944/1,620,936
6. Step 6: Final answer
   x = 7,675,664.33