Finding the Third Proportional to 2,154,398 and 3,340,473

Step by Step Solution

1. Step 1: Write the proportion equation
   2,154,398 : 3,340,473 = 3,340,473 : x
2. Step 2: Convert to fraction form
   2,154,398/3,340,473 = 3,340,473/x
3. Step 3: Cross multiply
   2,154,398x = 3,340,473 × 3,340,473
4. Step 4: Simplify right side
   2,154,398x = 11,158,759,863,729
5. Step 5: Solve for x
   x = 11,158,759,863,729/2,154,398
6. Step 6: Final answer
   x = 5,179,525.73