Finding the Third Proportional to 1,227,488 and 2,667,430

Step by Step Solution

1. Step 1: Write the proportion equation
   1,227,488 : 2,667,430 = 2,667,430 : x
2. Step 2: Convert to fraction form
   1,227,488/2,667,430 = 2,667,430/x
3. Step 3: Cross multiply
   1,227,488x = 2,667,430 × 2,667,430
4. Step 4: Simplify right side
   1,227,488x = 7,115,182,804,900
5. Step 5: Solve for x
   x = 7,115,182,804,900/1,227,488
6. Step 6: Final answer
   x = 5,796,539.60