Finding the Third Proportional to 1,290,922 and 1,894,911

Step by Step Solution

1. Step 1: Write the proportion equation
   1,290,922 : 1,894,911 = 1,894,911 : x
2. Step 2: Convert to fraction form
   1,290,922/1,894,911 = 1,894,911/x
3. Step 3: Cross multiply
   1,290,922x = 1,894,911 × 1,894,911
4. Step 4: Simplify right side
   1,290,922x = 3,590,687,697,921
5. Step 5: Solve for x
   x = 3,590,687,697,921/1,290,922
6. Step 6: Final answer
   x = 2,781,490.82