Finding the Third Proportional to 1,086,189 and 2,386,488

Step by Step Solution

1. Step 1: Write the proportion equation
   1,086,189 : 2,386,488 = 2,386,488 : x
2. Step 2: Convert to fraction form
   1,086,189/2,386,488 = 2,386,488/x
3. Step 3: Cross multiply
   1,086,189x = 2,386,488 × 2,386,488
4. Step 4: Simplify right side
   1,086,189x = 5,695,324,974,144
5. Step 5: Solve for x
   x = 5,695,324,974,144/1,086,189
6. Step 6: Final answer
   x = 5,243,401.45