Finding the Third Proportional to 1,689,516 and 3,676,476

Step by Step Solution

1. Step 1: Write the proportion equation
   1,689,516 : 3,676,476 = 3,676,476 : x
2. Step 2: Convert to fraction form
   1,689,516/3,676,476 = 3,676,476/x
3. Step 3: Cross multiply
   1,689,516x = 3,676,476 × 3,676,476
4. Step 4: Simplify right side
   1,689,516x = 13,516,475,778,576
5. Step 5: Solve for x
   x = 13,516,475,778,576/1,689,516
6. Step 6: Final answer
   x = 8,000,205.85