Finding the Third Proportional to 2,556,730 and 5,428,754

Step by Step Solution

1. Step 1: Write the proportion equation
   2,556,730 : 5,428,754 = 5,428,754 : x
2. Step 2: Convert to fraction form
   2,556,730/5,428,754 = 5,428,754/x
3. Step 3: Cross multiply
   2,556,730x = 5,428,754 × 5,428,754
4. Step 4: Simplify right side
   2,556,730x = 29,471,369,992,516
5. Step 5: Solve for x
   x = 29,471,369,992,516/2,556,730
6. Step 6: Final answer
   x = 11,526,977.82