Finding the Third Proportional to 1,292,580 and 2,647,848

Step by Step Solution

1. Step 1: Write the proportion equation
   1,292,580 : 2,647,848 = 2,647,848 : x
2. Step 2: Convert to fraction form
   1,292,580/2,647,848 = 2,647,848/x
3. Step 3: Cross multiply
   1,292,580x = 2,647,848 × 2,647,848
4. Step 4: Simplify right side
   1,292,580x = 7,011,099,031,104
5. Step 5: Solve for x
   x = 7,011,099,031,104/1,292,580
6. Step 6: Final answer
   x = 5,424,112.26