Finding the Third Proportional to 1,196,764 and 2,561,643

Step by Step Solution

1. Step 1: Write the proportion equation
   1,196,764 : 2,561,643 = 2,561,643 : x
2. Step 2: Convert to fraction form
   1,196,764/2,561,643 = 2,561,643/x
3. Step 3: Cross multiply
   1,196,764x = 2,561,643 × 2,561,643
4. Step 4: Simplify right side
   1,196,764x = 6,562,014,859,449
5. Step 5: Solve for x
   x = 6,562,014,859,449/1,196,764
6. Step 6: Final answer
   x = 5,483,131.90