Finding the Third Proportional to 3,420,842 and 7,384,060

Step by Step Solution

1. Step 1: Write the proportion equation
   3,420,842 : 7,384,060 = 7,384,060 : x
2. Step 2: Convert to fraction form
   3,420,842/7,384,060 = 7,384,060/x
3. Step 3: Cross multiply
   3,420,842x = 7,384,060 × 7,384,060
4. Step 4: Simplify right side
   3,420,842x = 54,524,342,083,600
5. Step 5: Solve for x
   x = 54,524,342,083,600/3,420,842
6. Step 6: Final answer
   x = 15,938,865.95