Finding the Third Proportional to 2,155,385 and 3,381,147

Step by Step Solution

1. Step 1: Write the proportion equation
   2,155,385 : 3,381,147 = 3,381,147 : x
2. Step 2: Convert to fraction form
   2,155,385/3,381,147 = 3,381,147/x
3. Step 3: Cross multiply
   2,155,385x = 3,381,147 × 3,381,147
4. Step 4: Simplify right side
   2,155,385x = 11,432,155,035,609
5. Step 5: Solve for x
   x = 11,432,155,035,609/2,155,385
6. Step 6: Final answer
   x = 5,303,996.75