Finding the Third Proportional to 2,687,728.50 and 5,847,846.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,687,728.50 : 5,847,846.75 = 5,847,846.75 : x
2. Step 2: Convert to fraction form
   2,687,728.50/5,847,846.75 = 5,847,846.75/x
3. Step 3: Cross multiply
   2,687,728.50x = 5,847,846.75 × 5,847,846.75
4. Step 4: Simplify right side
   2,687,728.50x = 34,197,311,611,485.56
5. Step 5: Solve for x
   x = 34,197,311,611,485.56/2,687,728.50
6. Step 6: Final answer
   x = 12,723,499.27