Finding the Third Proportional to 1,286,632 and 1,892,517

Step by Step Solution

1. Step 1: Write the proportion equation
   1,286,632 : 1,892,517 = 1,892,517 : x
2. Step 2: Convert to fraction form
   1,286,632/1,892,517 = 1,892,517/x
3. Step 3: Cross multiply
   1,286,632x = 1,892,517 × 1,892,517
4. Step 4: Simplify right side
   1,286,632x = 3,581,620,595,289
5. Step 5: Solve for x
   x = 3,581,620,595,289/1,286,632
6. Step 6: Final answer
   x = 2,783,717.95