Finding the Third Proportional to 3,776,009 and 8,266,166

Step by Step Solution

1. Step 1: Write the proportion equation
   3,776,009 : 8,266,166 = 8,266,166 : x
2. Step 2: Convert to fraction form
   3,776,009/8,266,166 = 8,266,166/x
3. Step 3: Cross multiply
   3,776,009x = 8,266,166 × 8,266,166
4. Step 4: Simplify right side
   3,776,009x = 68,329,500,339,556
5. Step 5: Solve for x
   x = 68,329,500,339,556/3,776,009
6. Step 6: Final answer
   x = 18,095,693.19