Finding the Third Proportional to 3,518,388 and 7,684,560

Step by Step Solution

1. Step 1: Write the proportion equation
   3,518,388 : 7,684,560 = 7,684,560 : x
2. Step 2: Convert to fraction form
   3,518,388/7,684,560 = 7,684,560/x
3. Step 3: Cross multiply
   3,518,388x = 7,684,560 × 7,684,560
4. Step 4: Simplify right side
   3,518,388x = 59,052,462,393,600
5. Step 5: Solve for x
   x = 59,052,462,393,600/3,518,388
6. Step 6: Final answer
   x = 16,783,954.01