Finding the Third Proportional to 774,320 and 1,667,272

Step by Step Solution

1. Step 1: Write the proportion equation
   774,320 : 1,667,272 = 1,667,272 : x
2. Step 2: Convert to fraction form
   774,320/1,667,272 = 1,667,272/x
3. Step 3: Cross multiply
   774,320x = 1,667,272 × 1,667,272
4. Step 4: Simplify right side
   774,320x = 2,779,795,921,984
5. Step 5: Solve for x
   x = 2,779,795,921,984/774,320
6. Step 6: Final answer
   x = 3,589,983.37