Finding the Third Proportional to 1,197,720 and 2,561,392

Step by Step Solution

1. Step 1: Write the proportion equation
   1,197,720 : 2,561,392 = 2,561,392 : x
2. Step 2: Convert to fraction form
   1,197,720/2,561,392 = 2,561,392/x
3. Step 3: Cross multiply
   1,197,720x = 2,561,392 × 2,561,392
4. Step 4: Simplify right side
   1,197,720x = 6,560,728,977,664
5. Step 5: Solve for x
   x = 6,560,728,977,664/1,197,720
6. Step 6: Final answer
   x = 5,477,681.74