Finding the Third Proportional to 1,268,316 and 2,641,608

Step by Step Solution

1. Step 1: Write the proportion equation
   1,268,316 : 2,641,608 = 2,641,608 : x
2. Step 2: Convert to fraction form
   1,268,316/2,641,608 = 2,641,608/x
3. Step 3: Cross multiply
   1,268,316x = 2,641,608 × 2,641,608
4. Step 4: Simplify right side
   1,268,316x = 6,978,092,825,664
5. Step 5: Solve for x
   x = 6,978,092,825,664/1,268,316
6. Step 6: Final answer
   x = 5,501,856.66