Finding the Third Proportional to 5,685,309 and 12,328,155

Step by Step Solution

1. Step 1: Write the proportion equation
   5,685,309 : 12,328,155 = 12,328,155 : x
2. Step 2: Convert to fraction form
   5,685,309/12,328,155 = 12,328,155/x
3. Step 3: Cross multiply
   5,685,309x = 12,328,155 × 12,328,155
4. Step 4: Simplify right side
   5,685,309x = 151,983,405,704,025
5. Step 5: Solve for x
   x = 151,983,405,704,025/5,685,309
6. Step 6: Final answer
   x = 26,732,655.29