Finding the Third Proportional to 1,086,280 and 2,386,544

Step by Step Solution

1. Step 1: Write the proportion equation
   1,086,280 : 2,386,544 = 2,386,544 : x
2. Step 2: Convert to fraction form
   1,086,280/2,386,544 = 2,386,544/x
3. Step 3: Cross multiply
   1,086,280x = 2,386,544 × 2,386,544
4. Step 4: Simplify right side
   1,086,280x = 5,695,592,263,936
5. Step 5: Solve for x
   x = 5,695,592,263,936/1,086,280
6. Step 6: Final answer
   x = 5,243,208.26