Finding the Third Proportional to 2,687,728.50 and 5,847,842.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,687,728.50 : 5,847,842.25 = 5,847,842.25 : x
2. Step 2: Convert to fraction form
   2,687,728.50/5,847,842.25 = 5,847,842.25/x
3. Step 3: Cross multiply
   2,687,728.50x = 5,847,842.25 × 5,847,842.25
4. Step 4: Simplify right side
   2,687,728.50x = 34,197,258,980,885.06
5. Step 5: Solve for x
   x = 34,197,258,980,885.06/2,687,728.50
6. Step 6: Final answer
   x = 12,723,479.69