Finding the Third Proportional to 1,286,806 and 2,541,316

Step by Step Solution

1. Step 1: Write the proportion equation
   1,286,806 : 2,541,316 = 2,541,316 : x
2. Step 2: Convert to fraction form
   1,286,806/2,541,316 = 2,541,316/x
3. Step 3: Cross multiply
   1,286,806x = 2,541,316 × 2,541,316
4. Step 4: Simplify right side
   1,286,806x = 6,458,287,011,856
5. Step 5: Solve for x
   x = 6,458,287,011,856/1,286,806
6. Step 6: Final answer
   x = 5,018,850.56