Finding the Third Proportional to 774,692 and 1,661,448

Step by Step Solution

1. Step 1: Write the proportion equation
   774,692 : 1,661,448 = 1,661,448 : x
2. Step 2: Convert to fraction form
   774,692/1,661,448 = 1,661,448/x
3. Step 3: Cross multiply
   774,692x = 1,661,448 × 1,661,448
4. Step 4: Simplify right side
   774,692x = 2,760,409,456,704
5. Step 5: Solve for x
   x = 2,760,409,456,704/774,692
6. Step 6: Final answer
   x = 3,563,234.75