Finding the Third Proportional to 1,286,630 and 1,892,514

Step by Step Solution

1. Step 1: Write the proportion equation
   1,286,630 : 1,892,514 = 1,892,514 : x
2. Step 2: Convert to fraction form
   1,286,630/1,892,514 = 1,892,514/x
3. Step 3: Cross multiply
   1,286,630x = 1,892,514 × 1,892,514
4. Step 4: Simplify right side
   1,286,630x = 3,581,609,240,196
5. Step 5: Solve for x
   x = 3,581,609,240,196/1,286,630
6. Step 6: Final answer
   x = 2,783,713.45