Finding the Third Proportional to 1,683,960 and 2,638,596

Step by Step Solution

1. Step 1: Write the proportion equation
   1,683,960 : 2,638,596 = 2,638,596 : x
2. Step 2: Convert to fraction form
   1,683,960/2,638,596 = 2,638,596/x
3. Step 3: Cross multiply
   1,683,960x = 2,638,596 × 2,638,596
4. Step 4: Simplify right side
   1,683,960x = 6,962,188,851,216
5. Step 5: Solve for x
   x = 6,962,188,851,216/1,683,960
6. Step 6: Final answer
   x = 4,134,414.62