Finding the Third Proportional to 1,620,992 and 3,527,388

Step by Step Solution

1. Step 1: Write the proportion equation
   1,620,992 : 3,527,388 = 3,527,388 : x
2. Step 2: Convert to fraction form
   1,620,992/3,527,388 = 3,527,388/x
3. Step 3: Cross multiply
   1,620,992x = 3,527,388 × 3,527,388
4. Step 4: Simplify right side
   1,620,992x = 12,442,466,102,544
5. Step 5: Solve for x
   x = 12,442,466,102,544/1,620,992
6. Step 6: Final answer
   x = 7,675,834.37