Finding the Third Proportional to 1,147,398 and 2,521,260

Step by Step Solution

1. Step 1: Write the proportion equation
   1,147,398 : 2,521,260 = 2,521,260 : x
2. Step 2: Convert to fraction form
   1,147,398/2,521,260 = 2,521,260/x
3. Step 3: Cross multiply
   1,147,398x = 2,521,260 × 2,521,260
4. Step 4: Simplify right side
   1,147,398x = 6,356,751,987,600
5. Step 5: Solve for x
   x = 6,356,751,987,600/1,147,398
6. Step 6: Final answer
   x = 5,540,145.61