Finding the Third Proportional to 3,420,720 and 7,436,838

Step by Step Solution

1. Step 1: Write the proportion equation
   3,420,720 : 7,436,838 = 7,436,838 : x
2. Step 2: Convert to fraction form
   3,420,720/7,436,838 = 7,436,838/x
3. Step 3: Cross multiply
   3,420,720x = 7,436,838 × 7,436,838
4. Step 4: Simplify right side
   3,420,720x = 55,306,559,438,244
5. Step 5: Solve for x
   x = 55,306,559,438,244/3,420,720
6. Step 6: Final answer
   x = 16,168,104.80