Finding the Third Proportional to 1,251,504 and 2,561,328

Step by Step Solution

1. Step 1: Write the proportion equation
   1,251,504 : 2,561,328 = 2,561,328 : x
2. Step 2: Convert to fraction form
   1,251,504/2,561,328 = 2,561,328/x
3. Step 3: Cross multiply
   1,251,504x = 2,561,328 × 2,561,328
4. Step 4: Simplify right side
   1,251,504x = 6,560,401,123,584
5. Step 5: Solve for x
   x = 6,560,401,123,584/1,251,504
6. Step 6: Final answer
   x = 5,242,013.71