Finding the Third Proportional to 2,686,730.50 and 5,676,689

Step by Step Solution

1. Step 1: Write the proportion equation
   2,686,730.50 : 5,676,689 = 5,676,689 : x
2. Step 2: Convert to fraction form
   2,686,730.50/5,676,689 = 5,676,689/x
3. Step 3: Cross multiply
   2,686,730.50x = 5,676,689 × 5,676,689
4. Step 4: Simplify right side
   2,686,730.50x = 32,224,798,002,721
5. Step 5: Solve for x
   x = 32,224,798,002,721/2,686,730.50
6. Step 6: Final answer
   x = 11,994,056.72