Finding the Third Proportional to 5,811,720 and 12,669,760

Step by Step Solution

1. Step 1: Write the proportion equation
   5,811,720 : 12,669,760 = 12,669,760 : x
2. Step 2: Convert to fraction form
   5,811,720/12,669,760 = 12,669,760/x
3. Step 3: Cross multiply
   5,811,720x = 12,669,760 × 12,669,760
4. Step 4: Simplify right side
   5,811,720x = 160,522,818,457,600
5. Step 5: Solve for x
   x = 160,522,818,457,600/5,811,720
6. Step 6: Final answer
   x = 27,620,535.48