Finding the Third Proportional to 1,286,811 and 2,541,326

Step by Step Solution

1. Step 1: Write the proportion equation
   1,286,811 : 2,541,326 = 2,541,326 : x
2. Step 2: Convert to fraction form
   1,286,811/2,541,326 = 2,541,326/x
3. Step 3: Cross multiply
   1,286,811x = 2,541,326 × 2,541,326
4. Step 4: Simplify right side
   1,286,811x = 6,458,337,838,276
5. Step 5: Solve for x
   x = 6,458,337,838,276/1,286,811
6. Step 6: Final answer
   x = 5,018,870.56