Finding the Third Proportional to 778,256 and 1,676,592

Step by Step Solution

1. Step 1: Write the proportion equation
   778,256 : 1,676,592 = 1,676,592 : x
2. Step 2: Convert to fraction form
   778,256/1,676,592 = 1,676,592/x
3. Step 3: Cross multiply
   778,256x = 1,676,592 × 1,676,592
4. Step 4: Simplify right side
   778,256x = 2,810,960,734,464
5. Step 5: Solve for x
   x = 2,810,960,734,464/778,256
6. Step 6: Final answer
   x = 3,611,871.59