Finding the Third Proportional to 1,286,573 and 1,892,437

Step by Step Solution

1. Step 1: Write the proportion equation
   1,286,573 : 1,892,437 = 1,892,437 : x
2. Step 2: Convert to fraction form
   1,286,573/1,892,437 = 1,892,437/x
3. Step 3: Cross multiply
   1,286,573x = 1,892,437 × 1,892,437
4. Step 4: Simplify right side
   1,286,573x = 3,581,317,798,969
5. Step 5: Solve for x
   x = 3,581,317,798,969/1,286,573
6. Step 6: Final answer
   x = 2,783,610.26