Finding the Third Proportional to 2,154,926 and 3,213,705

Step by Step Solution

1. Step 1: Write the proportion equation
   2,154,926 : 3,213,705 = 3,213,705 : x
2. Step 2: Convert to fraction form
   2,154,926/3,213,705 = 3,213,705/x
3. Step 3: Cross multiply
   2,154,926x = 3,213,705 × 3,213,705
4. Step 4: Simplify right side
   2,154,926x = 10,327,899,827,025
5. Step 5: Solve for x
   x = 10,327,899,827,025/2,154,926
6. Step 6: Final answer
   x = 4,792,693.50