Finding the Third Proportional to 1,251,512 and 2,561,344

Step by Step Solution

1. Step 1: Write the proportion equation
   1,251,512 : 2,561,344 = 2,561,344 : x
2. Step 2: Convert to fraction form
   1,251,512/2,561,344 = 2,561,344/x
3. Step 3: Cross multiply
   1,251,512x = 2,561,344 × 2,561,344
4. Step 4: Simplify right side
   1,251,512x = 6,560,483,086,336
5. Step 5: Solve for x
   x = 6,560,483,086,336/1,251,512
6. Step 6: Final answer
   x = 5,242,045.69