Finding the Third Proportional to 776,824 and 1,661,584

Step by Step Solution

1. Step 1: Write the proportion equation
   776,824 : 1,661,584 = 1,661,584 : x
2. Step 2: Convert to fraction form
   776,824/1,661,584 = 1,661,584/x
3. Step 3: Cross multiply
   776,824x = 1,661,584 × 1,661,584
4. Step 4: Simplify right side
   776,824x = 2,760,861,389,056
5. Step 5: Solve for x
   x = 2,760,861,389,056/776,824
6. Step 6: Final answer
   x = 3,554,037.19