Finding the Third Proportional to 1,620,911 and 3,527,230

Step by Step Solution

1. Step 1: Write the proportion equation
   1,620,911 : 3,527,230 = 3,527,230 : x
2. Step 2: Convert to fraction form
   1,620,911/3,527,230 = 3,527,230/x
3. Step 3: Cross multiply
   1,620,911x = 3,527,230 × 3,527,230
4. Step 4: Simplify right side
   1,620,911x = 12,441,351,472,900
5. Step 5: Solve for x
   x = 12,441,351,472,900/1,620,911
6. Step 6: Final answer
   x = 7,675,530.29