Finding the Third Proportional to 1,295,864 and 1,918,290

Step by Step Solution

1. Step 1: Write the proportion equation
   1,295,864 : 1,918,290 = 1,918,290 : x
2. Step 2: Convert to fraction form
   1,295,864/1,918,290 = 1,918,290/x
3. Step 3: Cross multiply
   1,295,864x = 1,918,290 × 1,918,290
4. Step 4: Simplify right side
   1,295,864x = 3,679,836,524,100
5. Step 5: Solve for x
   x = 3,679,836,524,100/1,295,864
6. Step 6: Final answer
   x = 2,839,678.02