Finding the Third Proportional to 3,957,342 and 5,912,721

Step by Step Solution

1. Step 1: Write the proportion equation
   3,957,342 : 5,912,721 = 5,912,721 : x
2. Step 2: Convert to fraction form
   3,957,342/5,912,721 = 5,912,721/x
3. Step 3: Cross multiply
   3,957,342x = 5,912,721 × 5,912,721
4. Step 4: Simplify right side
   3,957,342x = 34,960,269,623,841
5. Step 5: Solve for x
   x = 34,960,269,623,841/3,957,342
6. Step 6: Final answer
   x = 8,834,280.59