Finding the Third Proportional to 2,154,845 and 3,213,581

Step by Step Solution

1. Step 1: Write the proportion equation
   2,154,845 : 3,213,581 = 3,213,581 : x
2. Step 2: Convert to fraction form
   2,154,845/3,213,581 = 3,213,581/x
3. Step 3: Cross multiply
   2,154,845x = 3,213,581 × 3,213,581
4. Step 4: Simplify right side
   2,154,845x = 10,327,102,843,561
5. Step 5: Solve for x
   x = 10,327,102,843,561/2,154,845
6. Step 6: Final answer
   x = 4,792,503.80