Finding the Third Proportional to 776,724 and 1,661,382

Step by Step Solution

1. Step 1: Write the proportion equation
   776,724 : 1,661,382 = 1,661,382 : x
2. Step 2: Convert to fraction form
   776,724/1,661,382 = 1,661,382/x
3. Step 3: Cross multiply
   776,724x = 1,661,382 × 1,661,382
4. Step 4: Simplify right side
   776,724x = 2,760,190,149,924
5. Step 5: Solve for x
   x = 2,760,190,149,924/776,724
6. Step 6: Final answer
   x = 3,553,630.57