Finding the Third Proportional to 2,154,412 and 3,340,490

Step by Step Solution

1. Step 1: Write the proportion equation
   2,154,412 : 3,340,490 = 3,340,490 : x
2. Step 2: Convert to fraction form
   2,154,412/3,340,490 = 3,340,490/x
3. Step 3: Cross multiply
   2,154,412x = 3,340,490 × 3,340,490
4. Step 4: Simplify right side
   2,154,412x = 11,158,873,440,100
5. Step 5: Solve for x
   x = 11,158,873,440,100/2,154,412
6. Step 6: Final answer
   x = 5,179,544.79