Finding the Third Proportional to 5,674,906 and 8,491,623

Step by Step Solution

1. Step 1: Write the proportion equation
   5,674,906 : 8,491,623 = 8,491,623 : x
2. Step 2: Convert to fraction form
   5,674,906/8,491,623 = 8,491,623/x
3. Step 3: Cross multiply
   5,674,906x = 8,491,623 × 8,491,623
4. Step 4: Simplify right side
   5,674,906x = 72,107,661,174,129
5. Step 5: Solve for x
   x = 72,107,661,174,129/5,674,906
6. Step 6: Final answer
   x = 12,706,406.27