Finding the Third Proportional to 3,479,031 and 5,266,665

Step by Step Solution

1. Step 1: Write the proportion equation
   3,479,031 : 5,266,665 = 5,266,665 : x
2. Step 2: Convert to fraction form
   3,479,031/5,266,665 = 5,266,665/x
3. Step 3: Cross multiply
   3,479,031x = 5,266,665 × 5,266,665
4. Step 4: Simplify right side
   3,479,031x = 27,737,760,222,225
5. Step 5: Solve for x
   x = 27,737,760,222,225/3,479,031
6. Step 6: Final answer
   x = 7,972,840.78