Finding the Third Proportional to 1,620,915 and 3,527,238

Step by Step Solution

1. Step 1: Write the proportion equation
   1,620,915 : 3,527,238 = 3,527,238 : x
2. Step 2: Convert to fraction form
   1,620,915/3,527,238 = 3,527,238/x
3. Step 3: Cross multiply
   1,620,915x = 3,527,238 × 3,527,238
4. Step 4: Simplify right side
   1,620,915x = 12,441,407,908,644
5. Step 5: Solve for x
   x = 12,441,407,908,644/1,620,915
6. Step 6: Final answer
   x = 7,675,546.16