Finding the Third Proportional to 1,623,517 and 3,523,689

Step by Step Solution

1. Step 1: Write the proportion equation
   1,623,517 : 3,523,689 = 3,523,689 : x
2. Step 2: Convert to fraction form
   1,623,517/3,523,689 = 3,523,689/x
3. Step 3: Cross multiply
   1,623,517x = 3,523,689 × 3,523,689
4. Step 4: Simplify right side
   1,623,517x = 12,416,384,168,721
5. Step 5: Solve for x
   x = 12,416,384,168,721/1,623,517
6. Step 6: Final answer
   x = 7,647,831.32