Finding the Third Proportional to 2,155,391 and 3,381,156

Step by Step Solution

1. Step 1: Write the proportion equation
   2,155,391 : 3,381,156 = 3,381,156 : x
2. Step 2: Convert to fraction form
   2,155,391/3,381,156 = 3,381,156/x
3. Step 3: Cross multiply
   2,155,391x = 3,381,156 × 3,381,156
4. Step 4: Simplify right side
   2,155,391x = 11,432,215,896,336
5. Step 5: Solve for x
   x = 11,432,215,896,336/2,155,391
6. Step 6: Final answer
   x = 5,304,010.22