Finding the Third Proportional to 1,394,390 and 2,956,208

Step by Step Solution

1. Step 1: Write the proportion equation
   1,394,390 : 2,956,208 = 2,956,208 : x
2. Step 2: Convert to fraction form
   1,394,390/2,956,208 = 2,956,208/x
3. Step 3: Cross multiply
   1,394,390x = 2,956,208 × 2,956,208
4. Step 4: Simplify right side
   1,394,390x = 8,739,165,739,264
5. Step 5: Solve for x
   x = 8,739,165,739,264/1,394,390
6. Step 6: Final answer
   x = 6,267,375.51