Finding the Third Proportional to 2,154,396 and 3,340,470

Step by Step Solution

1. Step 1: Write the proportion equation
   2,154,396 : 3,340,470 = 3,340,470 : x
2. Step 2: Convert to fraction form
   2,154,396/3,340,470 = 3,340,470/x
3. Step 3: Cross multiply
   2,154,396x = 3,340,470 × 3,340,470
4. Step 4: Simplify right side
   2,154,396x = 11,158,739,820,900
5. Step 5: Solve for x
   x = 11,158,739,820,900/2,154,396
6. Step 6: Final answer
   x = 5,179,521.23