Finding the Third Proportional to 1,689,540 and 3,676,512

Step by Step Solution

1. Step 1: Write the proportion equation
   1,689,540 : 3,676,512 = 3,676,512 : x
2. Step 2: Convert to fraction form
   1,689,540/3,676,512 = 3,676,512/x
3. Step 3: Cross multiply
   1,689,540x = 3,676,512 × 3,676,512
4. Step 4: Simplify right side
   1,689,540x = 13,516,740,486,144
5. Step 5: Solve for x
   x = 13,516,740,486,144/1,689,540
6. Step 6: Final answer
   x = 8,000,248.88