Finding the Third Proportional to 778,537 and 1,677,116

Step by Step Solution

1. Step 1: Write the proportion equation
   778,537 : 1,677,116 = 1,677,116 : x
2. Step 2: Convert to fraction form
   778,537/1,677,116 = 1,677,116/x
3. Step 3: Cross multiply
   778,537x = 1,677,116 × 1,677,116
4. Step 4: Simplify right side
   778,537x = 2,812,718,077,456
5. Step 5: Solve for x
   x = 2,812,718,077,456/778,537
6. Step 6: Final answer
   x = 3,612,825.18